Hk mp5 trigger

Hk mp5 trigger. HKP-02129. Bespoke Ejector lever CNC cut from 4140. This is specifically for machine gun models such as the HK MP5, MP5-SD, MP5-F and MP5 reverse stretch builds. H&K MP5 Trigger, Complete, SEF, *New Old Stock*. You must be logged into your account to receive notifications. The housing is what’s different due to the semi shelf. Compatible with HK, PTR, Dakota Tactical and other clones that use a front shelf style trigger group. New HK German MP5, SP5 9mm 4 Position Burst (0,1,3, F) Trigger Housing professionally clipped & pinned and paired with a factory German MP5 trigger pack ready for your semi-auto firearm. Trigger housing, ejector, ejector pin and ejector spring are not included. Order online today and enhance your shooting experience. " $380. This is an old school clip and pin by Curtis Higgins (S&H), his stamp is on the trigger box. MP5 . These are meant to familiarize new and inexperienced MP5 owners with their firearm, and be reliable documentation to refer to for years to come. Aug 12, 2019 · The William's set trigger is the best. For more information on our clipping & pinning see our services section. We offer the best clipping & pinning service in the country. 99 In Stock Dec 1, 2021 · 296 posts · Joined 2011. e. 99 each MP5K Four ENDED - $150. I’ve got both and will measure thickness of both and post them, but gotta work tomorrow a. Heckfire trigger for MP-5, HK 91/93/94, G3, Clones. HK94/MP5 complete SEF lower with selector. 5” barrel. All trigger parts have been expertly designed and precision machined from premium materials to guarantee a lifetime of dependable service. $1,499. In the first case, the rifle itself is registered, and Oct 18, 2021 · The PTR 9CT is an affordable take on the venerable HK MP5 design that incorporates a number of updates to modernize this tactical pistol. All you need is a grip housing for the MP5, and your trigger housing can be taken out of the MP5K grip housing and can be put into the same type of grip housing for the MP5 Apr 24, 2023 · It feels like having a nice aftermarket AR trigger on your MP5. The Magpul ESK (Enhanced Selector Kit) offers a variety of selector levers for the Magpul SL Grip Module & HK Polymer Trigger Housings. In 'set' mode the trigger pull is nearly as light as a PSG1, in normal mode it is considerably better than the stock trigger pull -- and cocking the weapon is normal -- or maybe a bit easier. I shot steel cased . 3oz lighter than OEM trigger group. Clones SEF/ SemiAuto Trigger Packs and. If the paperwork says 10. Sep 19, 2017 · 7n6. For about ten years, the original MP5 reigned supreme. Bill costs $60 some odd bucks. New. I had zero issues with it in about 2000 rounds of testing. 22LR upper. S. The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. H&K MP5K, SP89, & SP5K 9mm Semi Auto 3 Position Trigger Group - Clipped & Pinned. Safety Selector will fit in most two and three-position trigger housings. 95 $ 31. This listing is for a factory German Heckler & Koch HK MP5 9mm SEF trigger group. $1,099. Keeping with the Magpul blueprint of innovation, the Magpul ESK results in a modular, ambidextrous selector with enhanced ergonomics. com. I assume this is just a plinker so if it has a magazine safety, you could take it out and see if that helps out the trigger feel at all. 99 each MP5 Four Trigger Pack 0,1,2,F - $1409. The Navy Style ambidextrous lowers are not compatible with the Franklin Armour HK Binary Trigger. UPC: $0. Jun 3, 2021 · Art, at ShootingSight. Our collection includes MP5 Stocks for enhanced stability, SP5K Barrels for unmatched accuracy, and MP5 Triggers for smoother operation. These are new, direct from Heckler & Koch. H&K MP5 / MP5K 4 position trigger housings and complete packs! Prices below + shipping. Not so much on the full size mp5s. The manufacturer part TIMNEY HK MP5 TWO STAGE TRIGGER . HK has partnered with Umarex of Germany to bring you the only HK-authorized rimfire versions of the legendary MP5. Art Neergaard - ShootingSight llc. HK MP5 SEF Trigger Box Housing. In Stock. Accepted Payment Methods: Returns: No Returns. The good folks at HK adopted the Burger King model of this platform: “have it your way. 308, German surplus 7. I couldn’t find any good and direct answers pertaining to the legality of owning/possessing Full Auto trigger packs. The biggest issue we’ve seen is the height of the binary trigger pack may be slightly higher at the front section. New HK German 4 position burst trigger pack complete available in your choice of 9mm, 40/10, . HK MP5 Push Pin Set (1 Large & 2 Small) Sale. However there is a caveat. "This trigger is compatible with HK 91/93 and 94 type firearms and their clones - SEF/ Semi-Auto trigger packs and corresponding safety selector levers. They offer a wide selection of parts and accessories for this iconic submachine gun. Works in SP5K housings. It‘s not a problem. Product Information. The advertised trigger pull is 4lbs, from our testing, it is closer to 3. Price Jan 30, 2022 · 94 posts · Joined 2021. 56, but there is nothing preventing you from running a . $229. ”. 2. 22 Match Trigger Spring Kit - Set of 3 Enhanced Springs. For more information, go to their website. I shot it in an HK51, HK91, and my MP5K. Then decide if you want to work more on your own or send it off to Denny or Bill. 000000. 308/7. The MP5K-PDW’s modular design enables a variety of forearms, sight mounts, magazines, and other accessories to be installed for maximum mission flexibility. shootingsight. Hey guys like the title says I have an MP5 and want the metal trigger frame, the MP5 metal trigger pack is too expensive and I know a lot of parts are interchangeable so I'm seeing if I can put a MP5 trigger pack into a G3 metal handle. The paperwork may say . What you will experience with this trigger pack is Oct 31, 2022 · Watch on. 00. Condition: Used - Good to Very Good. I've done it in the past on other 22's and it seemed to help some. 22 LR fun gun on the range, look no further. Wanted to share my experience with Bill Springfield at triggerwork. The MP5K-PDW accepts the wide selection of optional MP5K trigger groups — including single fire only, full automatic, 2-round, and 3-round burst options. 96 Add to cart. 59. H&K MP5 . Timney Triggers. This makes it the fastest semi-automatic trigger on the market. Your Price: $23. 62x51mm, 5. It‘s the same as swapping uppers on an AR. Compatible with SEF variant MP5's. Jan 30, 2022 · 94 posts · Joined 2021. For use with H&K SEF type trigger packs only. A trigger pull around 4. UPC. 99 In Stock HK MP5 SEF Trigger. Comes complete with the US made parts already installed as well as a Factory Correct 9mm hammer spring and U. EJECTOR SUPPORT FOR G3/33/MP5 SEF TRIGGER BOX. Each enhanced flat trigger will fit all 0,1 & SEF & Navy style trigger packs. MSRP: Was: Now: $299. I know some you just have to switch the ejector housing or 000000. Ejector axle pin. This is an older thread, you may not receive a response, and could be reviving an old thread. Lately we’ve heard from some of our customers who have been having issues installing their new binary trigger groups onto their receivers. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing. $749. The wiki is chock full of resources, such as Apr 11, 2022 · 62 posts · Joined 2021. I tried adjusting the the screw in the rear of the trigger pack (Picture below) but it seemed very tight already and it didn’t make a noticeable difference. HK MP5 - 3 Position Navy - Trigger Housing - Universal New Factory German manufacture brand new 3 position Navy Housing in safe, semi, full. The possibilities made me go hmmm. List Price: $427. ZF-Series Sear. Includes ejector, so you don't have to swap out the ejector from your current trigger group. 99. My experience from two of these on the mp5 platforms - Binary trigger is worth it on the K platform (ap5-p, sp5k, etc), gets you giggling. $1,699. The BFSIII meant for HKs intrigued me, as the same trigger pack could be used in 7. This is what makes my lower unique. Get the new semi-auto sear spring from RTG. My MP5 SEF housing definitely does not fit - it’s too tight! Includes: Franklin Armory BFSIII HK-C1 trigger pack. Some clones may require slight fitting. Corresponding Safety Selector Levers. 62 caliber. How easy the safety selector can be manipulated. #29 · Oct 4, 2023. Add to Cart. . 99 $15. Jun 4, 2014 · H&K decided that the roller-delayed blowback action was the way to go. Sounds like he's asking if the SEF pack/frame can drop onto an SP5K- not necessarily the registered trigger pack into an ambi-pack itself. They have made an MP5 two-stage trigger for semi-auto roller delayed guns. $ 39. It is extremely light though. 9mm ejector lever – U. SKU: HKP-19712. m. 223 & . Description. www. Item #: 242823 | Be the first to review this product. Install it yourself. The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost Aug 18, 2015 · MP5 Variants. Elevate your firearm with MP5K Handguards for superior control, SP5 Forearms for better maneuverability, and Well, Mk3 Firearms have done some trigger mods for H&K trigger packs for MP5/G3, significantly reducing reset and trigger pull weight & length. 492 posts · Joined 2010. Housing features contoured grip and metal 3 position selector. The Timney replacement Two-Stage Trigger for HK MP5 Semi-Automatic Variants utilizes your existing rifle's ejector lever, ejector spring, and the ejector axis pin that are matched to your rifle's chambering. Discover the MP5, the legendary submachine gun from Heckler & Koch, with its iconic design, high performance and versatility. Shop the latest arrivals at HKP! We have a wide selection of new and innovative products for your HK MP5, HK SP5, HK P30, HK VP9, HK USP, and more. HK MP5 4 POS TRIGGER GROUP 2RD BURST. #4 · Sep 19, 2017. HK MP5/94 9mm Semi Auto Trigger Group Complete. Timney Triggers 2 Stage Trigger, Fits MP5/HK 91/93/94 SEF/Semi-Auto Trigger Packs and Corresponding Safety Selector Levers, Two-pound First Stage Two-Pound Second Stage, Not Adjustable, Black Finish MP5. Rated 4. We can set up each trigger pack in any caliber you wish (please specify when checking out in the notes section). 99 In Stock Nov 16, 2020 · 4563 posts · Joined 2006. It provides a modern rendition of the classic MP5 SSL with updated aesthetics. Every Workbench Wednesday post will be linked in the r/MP5 wiki. S ejector lever. This is a 20+ year old unit, has the pushpin side of the pin on both sides. You will need an SEF lower. HK MP5 Two-Stage Trigger. Dec 12, 2023 · TIMNEY HK MP5 TWO STAGE TRIGGER $273. If no caliber is specified then the item will ship setup in . Bill Springfield Trigger Job Review. Franklin Armory BFS-III HK-C1 Binary Trigger Specifications. These trigger groups will not fit on MP5 sear conversion guns (HK SP89 or HK SP94). thanks Art! Dec 18, 2022 · Magpul SL M-Lok Handguard: The original MP5 handguard is both practical, ergonomic, and a large part of the MP5’s iconic look. SOLD. Prices + shipping Contact us for multi-unit pricing MP5-N "Navy" S,1,F Housing - $249. May be Gen 1 or 2 since it is from 1986? Factory HK GERMAN MP5, MP5K 9mm full auto trigger pack unmodified as it comes from HK. 150126. Sale. They will have serial number and markings on the front. 95. Housing made from MJF PA11 Nylon. You Save: $128. Bud's Item #. 308. Includes: Franklin Armory BFSIII HK-C1 trigger pack. Original series for the MP5. #10 · Feb 17, 2020 (Edited) The “ears” on the SP5 are significantly thinner than on a standard SEF MP5 housing. Same for the barrel length. Aug 31, 2017 · 3. 49. 2-stage trigger with around 5lb total pull. net after sending an MP5 ambi pack to him for his trigger job, as well as a technical assessment of why it was done. These are great replacement parts for your HK! This is a genuine German H&K made Trigger. Item #: 242876 | Be the first to review this product. I know that HKParts. Then your others listed are probably the old style shelf so you would need one for those. This is a universal housing that fits multiple applications and calibers. HK German – 3 position pictogram housing – clipped and pinned. Two Pound Second Stage. This HK 3-position ambidextrous trigger housing will give the look and feel of a full auto 3-position trigger group but is set in a semi-auto trigger pack. Your Price: $22. Shop our new arrivals today and get the latest gear for May 25, 2023 · Here's some info to help break it down: There's two types of MP5 trigger packs: SEF (modern AP5/clones) and Ambi (what comes with the SP5/SP5K) - A SEF trigger pack won't work in an Ambi housing and vice versa. Safety Selector will fit in most two and three position trigger housings. May 25, 2022 · The Heckfire retails for $399. It is not cheap but it is a solid option for upgrading your roller delayed blowback firearm with a better trigger. Nov 8, 2022 · A Timney Triggers upgrade for your roller delayed firearms is finally here. This trigger group is a drop-in unit for all in-spec HK receivers. Ambi pictogram housings come in different styles, FBI or 0 - 1, Navy 0 - 1 - 3, burst 0 - 1 -3 and the full auto 0 - 1 - 3 - F. Click below to be notified when this item is back in stock. #1 · Apr 11, 2022. The trigger group features "0-1-3-F" firing selections. 3rd generation. Quantity: Add to Wish List. Now for the first time, we have the ever A selection of optional trigger groups allow for single fire only, full automatic, 2-round, and 3-round burst options. The new SP5 and K variants share same shelf but as you know SP5 is 1 pin butt and K is 2 pin. I have both, wish I saved money and went with one. Ambidextrous Safety Selector. This is built to factory specs and feature 4 firing positions, safe, semi, 2-round burst, and full auto. Depress and hold the “selector retaining lever” while rotating the selector clockwise to approximately the four o’clock position. Zenith Firearms carries MP5 compatible parts including MP5 trigger groups, sears, semi-auto hammer assemblies, ejectors and ejector axles, takedown pins, and more. #2 · Dec 4, 2021. #6 · Nov 16, 2020. HK MP5, 94 Semi 0,1 Trigger Pack Ambi- Safe & Semi Only. #8 · Nov 19, 2010. Making a binary trigger for a Midwest Gun Works Dec 7, 2023 · Dec 7, 2023 (Edited Feb 11, 2024 ) I am selling three Franklin HK binary triggers, mounted and ready to install on your HK or clone, $649 each. $29. info@shootingsight. 1-7 day lead time. A one size fits all approach as this housing has Sep 11, 2023 · If you’re having trouble installing your binary trigger group, watch this video, or read through the instructions below. It is NOT compatible with Ambi/Navy/FBI trigger packs or . The remaining parts to the trigger group Aug 9, 2020 · Binary works in all those weapons. Two are in polymer MP5-style SEF housings, one is in a metal HK91/PTR91-style housing. Watch the videos for comparison. In position 3 it will fire 1 round on pull and 1 round on release. 22 Clones, as They Have Different Internals. The photo above shows the work that was done (aside from some polishing of internal components like the hammer face). Fleming sear). So, whether you’re looking for an economic, but serious sub-caliber trainer, a suppressor host, or just want the coolest . FactorySet with a Two Pound First Stage and a. Lee Sporting uses a Rise Armament trigger which has a 3. Magpul AR Match Trigger Group for HK MP5. Apr 25, 2023 · The ShootingSight HeckFire is a drop-in 2-stage trigger that breaks at about 4. 4. $450 shipped. We look forward to providing feedback and thoughts. The updated selector levers work for all lowers (you no longer need to tell us if it is an SEF or an AMBI lower) and they cover the selector lever hole in the lower so you cannot see the red through the hole (which is an Features of Franklin Armory BFSIII HK-C1 Trigger - Binary Firing System for HK 91/93/MP5, 2G2-BIN-FABFS3HKT: A trigger pull around 4. Each Trigger Group Incorporates The Following US Made Compliant Parts: This lower is ready to drop on your semi auto HK firearm. DOES NOT FIT: Ambi/Navy/FBI Trigger Packs or . 62x51, steel cased 9mm, nice factory 9mm, and my 9mm reloads (Including reloads that I had used small rifle primers on). Ergonomic upgrade to OEM grip. $18 bucks or so. Available exclusively at HK Parts. to 4-5 lbs. May 19, 2024 · New. Shipping: Calculated on checkout. To remove the trigger pack from the housing, push the ejector from the front of the housing up and out. However, with modern-day accessories like weapon lights being a HK MP5 Two-Stage Trigger. My RDB 9mm AR is the only subgun that even comes close to my MKE MP5 clones. com/hk-mp5-two-stage-trigger/Thank you to Billet HK MP5 TRIGGER GROUP 4POS 3rd Burst. I have read that there are as many as 54 variants on this basic platform. 56x45mm, and 9x19mm rifles/pistols (HK 91/93/MP5). Remove the selectors by wiggling and gently pulling away from the housing. We have 4 varieties to choose from for the different style receivers like the May 29, 2014 · As the premier American-made MP5, the ZF-5 leads its class in terms of value, reliability, and perhaps most importantly, faithfully capturing the details of the original HK MP5. 99 each MP5 Four Position Housing 0,1,3,F - $349. True HK SP5K spec clipped and pinned grip housing. 5. Will fit most HK 91, 93, & MP5 variants and clones. If you want us to do a trigger job on an aftermarket Hey guys! Today we will be reviewing the Timney Trigger for the MP5! Check it out at: https://timneytriggers. May 19, 2024 · Factory new H&K Trigger packs and housings. Optimize your shooting with our precision-crafted parts for H&K MP5 & MP5K, SP5 & SP5K models. This lower is in a push pin configuration with 9mm hammer spring and ejector. This trigger pack starts off as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single stage trigger work. MP5 4 Position housing 0,1,3,F - $350 MP5K 4 Position housing 0,1,3,F - $350 MP5-N (Navy) 3 Position Housing 0,1,F - $250 MP5 4 Position housing 0,1,2,F - $1410 HKP-17237. Nov 18, 2010 · Alembic. Resolving this Honestly the best approach for burning . HKP HK MP5 Single Stage Semi Auto Trigger Pack - SEF. Additional Information. This factory original assembly from H&K is manufactured in Germany and designed for HK MP5 rifle models chambered in 9mm and accepting semi-auto, full-auto, and 3-round burst firing modes. Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK housing. 99 In Stock HK MP5 Sear. These German, New MP5 trigger packs will fit only on HK factory original MP5 machine guns. Dec 18, 2022 · Magpul SL M-Lok Handguard: The original MP5 handguard is both practical, ergonomic, and a large part of the MP5’s iconic look. Aug 29, 2023 · Definitely feels similar to my Geissele SDC triggers. . Ejector spring. 300 BO or 6. 99 In Stock Trigger Job. Sold Individually. Add to Wish List. This complete trigger group will work on both Factory Mp5 and Sp5 receivers as the housing is machined to be interchangeable. 5lbs or less! This trigger has a great feel and is easy to install. Manufacturer. 99 each MP5K Four Position Housing 0,1,3,F - $349. 00 out of 5. $17. Per HK trigger group standards, most MP5 variants have the option of "SEF" or "Navy" trigger groups, with further alterations based on the availability and type of burst fire; the "SE" and "0-1" trigger groups are only available for semi-automatic and civilian variants. So if you have an MP5 with an ambi navy style lower, the HK BFSIII will not work in that lower. On the legal FA MP5 market, there are two types: legit MP5s where the unmodified receiver is the registered part and the gun can readily accept these trigger packs, or a semi-auto MP5/clone that uses a modified trigger pack that allows FA with the semiauto modifications (i. Jul 5, 2021 · HK German SP5K Specification 4 Position Ambidextrous (0,1,3,F) Clipped & Pinned Trigger Housing For The Factory HK SP5K Semi Auto Shelf. net and other on-line venders that sell HK parts sells new or used HK factory 0,1,3,F navy style trigger packs. 223 or 5. So that’s at least 2 housings you will need. With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series trigger. 6. Jan 18, 2022 · Features of Franklin Armory BFSIII HK-C1 Trigger – Binary Firing System for HK 91/93/MP5, 2G2-BIN-FABFS3HKT: A trigger pull around 4. Description: Brand new SEF Fully auto trigger pack by HK. Drop-in to all lowers. Then you can also use their RDB 9mm upper, or 556 or any other cal AR upper that uses a standard magwell. For use with trigger elbow spring #200483, sear #200490, catch elbow spring #200505, and catch and trigger axle #200482. Old style HK94/MP5 A3 stock with a new buffer. The weapon’s unique modular design and a variety of optional buttstocks, forearms, sight mounts, magazines, and other accessories gives the MP5 extraordinary flexibility to meet most any mission requirement. 081950675005. MP5 (0,1,3,S) TRIGGER GROUP. Product is currently out of stock : (. Feb 11, 2024 · SOLD. The MP5SD gun has an integrated suppressor. 99 On sale $134. The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. com, is giving me and my fellow team mates who compete with a HK SP5 in competition an opportunity to test and evaluate the new Heckfire MP5/SP5/90 series match trigger. This is the easiest way New HK German MP5, SP5 9mm 4 Position Burst (0,1,3, F) Trigger Housing professionally clipped & pinned and paired with a factory German MP5 trigger pack ready for your semi-auto firearm. I simply think of the gun with a few basic choices that can be assembled as needed. 4 Position (0,1,3,F) Pictogram Trigger Housing - HK MP5 40/10 This trigger housing is already clipped and pinned for semi auto units. Here is the Lee Sporting Trigger Group next to my German HK factory trigger group. Feb 17, 2020 · 443 posts · Joined 2016. Timney Trigger for MP5K, SP5K. 5lb, it will fit both Ambi and SEF lowers, all tool steel components with NiB coating. From what I've read, it would work if you have an SEF grip frame modified to fit the SP5K as well as a modified carrier to be used in full auto. Constructed of 6061 T6 Aluminum and S7 Tool Steel Original German HK Part #205629. Notify Me. 5 lb trigger pull. If you notice, the cassette has been modified as well to make room for the 9mm ejector. HK MP5 SEF Lower - 9mm. However, with modern-day accessories like weapon lights being a Feb 12, 2018 · Most MP5 enthusiasts prefer the navy style lowers. 5”, you can put on an 8” or a 12. My issues are: 1. 5 pounds. ShootingSight Heckfire is a drop-in 5lbs 2-stage trigger for roller delayed blowback HK firearms. Price $299. Ships free! Patent May 13, 2022 · It still uses an MP5 ejector but they had to modify it a bit to fit with the trigger cassette. *Please note! Geissele and ZERO triggers will come modified to work in an MP5. https://www The Heckler and Koch MP5 Trigger Group is constructed from quality steel and polymer components. 22 clones, as they are completely different internally. The HK Parts Match drop-in spring upgrade set will enhance your MP5-22's trigger pull to an even smooth, crisp, and lighter pull that will promote better control, which in turn promotes consistent Details. Whether you're looking for performance upgrades, cosmetic enhancements, or simply want to keep your H&K in top condition, we have you covered. Welcome to the new series of weekly instructional posts called Workbench Wednesday. 22 is a standard AR lower with a binary trigger, combined with a dedicated CMMG . Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. It will reduce your pull weight from the stock 10lbs approx. Another alternative would be the Franklin Armory binary trigger, which has a pretty nice trigger pull compared to Find the best trigger group for your HK MP5 at Midwest Gun Works. Feb 16, 2021 · I’m still learning about the MP5 platform. 04 (30%) More Details Buy. All are factory new. Fits: HK 91/93 and 94 Type Firearms and their. 1st is our trigger job with a curved trigger, 2nd is our trigger job with a flat trigger, and the 3rd video is a stock trigger Trigger jobs for the MP5, MP5K, SP5 & SP5KSimply Send In Your Complete Trigger Group & Safety Selector & Lower For Us To Do The Work. May 12, 2020 · One of these is for the CZ Scorpion EVO 9mm carbine/rifle, and the other for HK-pattern long guns/handguns. 22 LRs will start shipping to HK dealers October 1, 2021 Apr 18, 2007 · Yes, the grip housings are different between the MP5K and the MP5, but the trigger packs that go into the grip housings are the same. $449. This is a new German Made Heckler & Koch 4 position 2-round burst trigger group for MP5 pattern firearms. The mechanics of that action were what made the German MG42 machine gun so fast and deadly, and giving that same kind of firepower to the individual soldier seemed like the perfect next step. 938 posts · Joined 2012. , so it’ll be later. 8 upper. *Please note! Geissele and ZERO triggers will come modified to work in an HK MP5 - 3 Position Navy - Trigger Housing - Universal New Factory German manufacture brand new 3 position Navy Housing in safe, semi, full. These are complete,, full auto trigger groups, ready to install on your HK MP5 machine gun. ty tg jo ta vk oo dv ik pw oo