HK G3/91 Series
Discover the ultimate collection of parts for your H&K G3 and H&K 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your H&K G3 or H&K 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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H&K 91/G3 (7.62x51 / .308) Wood Stock - Surplus
H&K Heckler & Koch
$119.95HK German G3, 91, & PTR Wood Stock Complete - USED These stock sets were in use with the German military and are used in varying degrees of condition, ranging from good to very good shape overall. These are rare and are getting harder to...HKP-02554$119.95 -
H&K Roller Retainer Pin - New Style
H&K Heckler & Koch
$6.95HK Roller Retainer Pin, Clamping Sleeve- New Style This part works with all roller retainer plates and springs. HK started this change of roller retainer pins starting in all 2011-produced bolt heads. Works with all styles of roller retainer plates...HKP-01954$6.95 -
HKP HK MP5/91/G3/93/33/53 Picatinney Rail Mount For Front Sight Tower
HKP HK Parts
$39.95FRONT SIGHT TOWER RAIL MOUNT- Lights & Lasers HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-16672$39.95 -
H&K SEF Long Axle Selector Lever - Polymer Housing
H&K Heckler & Koch
$39.95H&K SEF Long Axle Selector Lever - Polymer Housing If you have a polymer SEF housing such as the contoured type with finger grooves or the SEF navy style grip frames as well as the 0,1 polymer housings this is the correct selector lever...HKP-00119$39.95 -
H&K 91/G3 (7.62x51 / .308) Navy Style Trigger Housing (SEF) - Push Pin - Used
H&K Heckler & Koch
$29.95HK German HK91, G3, PTR Navy Style Trigger Housing Push Pin Style - Used In Good Working ConditionGerman made Heckler & Koch grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers...HKP-17354$29.95 -
H&K Oversized Barrel Retaining Pin - 5.25mm
H&K Heckler & Koch
$9.95HK Factory German Oversized Barrel Retaining Pin. This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunion. Each pin is slightly...HKP-16954$9.95 -
H&K 91/G3 (7.62x51 / .308) 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
$26.95HK German 20 Round Steel Magazine - Very Good To Excellent Shape Each magazine in this offering is the best of the used steel surplus magazines available, features the best finish, and has the lowest amount of wear possible. No longer in production,...HKP-00834$26.95 -
H&K 91/G3 (7.62x51 / .308) Extractor
H&K Heckler & Koch
$13.95HK German HK G3, HK, 91 & PTR 91 .308 Extractor New HK German. The G3 is out of production and this small lot of new old stock extractors is available at the best price in the country. Fits all models of HK G3 style firearms and CETME's. Compatible...HKP-00495$13.95 -
H&K Cocking Tube End Cap-Aluminum
$12.95H&K Cocking Tube End Cap-Aluminum New US Made Cocking Tube End Cap (Dust Caps). Made from aircraft grade aluminum alloy, much lighter to save on weight. Built To Last!HKP-02806$12.95 -
HK 91/G3 Magazine Follower - USA
$19.95Magazine Follower - USA - HK 91, G3, PTRUSA made magazine follower for HK 91, G3 magazines. This follower is made 100% in the USA and counts as one US made compliant part needed for builds and conversions for 922R Compliance.HKP-18997$19.95 -
HK 91/G3/MSG90 (7.62x51 / .308) 20 Round Magazine Floor Plate
$19.95HK 91, G3, PTR - 20 Round Magazine Floor Plate - USA USA Made Floor Plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made 100% in the USA and counts as one US made compliant part needed for builds and conversions...HKP-18921$19.95 -
PTR HK 91/G3 (7.62x51 / .308) Receiver Flat
PTR
$99.95HK G3, 91, PTR & CETME Flat - PTR Made by PTR with original HK tooling using factory specifications and a properly stamped receiver. No FFL is required as this is an unfolded flat that ships directly to the customer...HKP-02320$99.95 -
H&K +2 Roller For Bolt Head 8.02mm - Over-sized
H&K Heckler & Koch
$24.95H&K +2 Roller For Bolt Head 8.02mm - Over-sized New HK standard (8.02 mm) locking roller. The proper roller size is essential for a proper bolt gap. New HK German, not surplus or used out-of-spec part. Please Note: The price listed is per roller...HKP-00507$24.95 -
HKP Vertical Grip - Picatinny Mount - Short
HKP HK Parts
$29.95Stubby Vertical Grip For Picatinny Rail- HK Style This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out...HKP-16409$29.95 -
HKP Roller +8 - New - 8.08mm
HKP HK Parts
$8.99Roller +8 - New - 8.08mmHK Parts Standard (8.08 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19437$8.99 -
H&K Magazine Catch Spring
H&K Heckler & Koch
$4.95H&K Magazine Catch Spring New HK German manufacture, not used, worn out surplus springs. Perfect spare and a must-have mag catch spring for all 90 series rifles that use a detachable magazine. Compatible With: HK 91, G3 & PTR-91 HK...HKP-01917$4.95 -
H&K 91/G3 (7.62x51 / .308) Rear Sight Assembly - New
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - New HKHK German factory rear sight assembly with all hardware included. We offer the finest new HK sights at the BEST price in the country. Each set comes complete with all parts and all mounting...HKP-18163$39.95 -
HKP Paddle Style Extended Mag Release - EMR
HKP HK Parts
$44.95HKP Paddle Style Extended Mag Release - EMR A great addition to any paddle style mag release, such as those found on an HK. The extended mag release is machined from a solid billet of aircraft grade aluminum and hard anodized aluminum for a lightweight...HKP-17079$44.95 -
HKP Binary Selector Lever Set Screw
HKP HK Parts
$1.98HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension and very easy to misplace. A must have set screw to...HKP-20686$1.98 -
HKP Roller +6 - New - 8.06mm
HKP HK Parts
$8.99Roller +6 - New - 8.06mmHK Parts Standard (8.06 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19439$8.99 -
HKP Quick Detach Sling Attachment Sling Pin - Large
HKP HK Parts
$37.95The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the pushpin for the sling pin to allow a sling mounting location for...HKP-18070$37.95 -
HKP Roller +2 - New - 8.02mm
HKP HK Parts
$8.99Roller +2 - New - 8.02mm HK Parts Standard (8.02 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19423$8.99 -
AC-Unity HK Cheek Piece - Black
AC-Unity Magazines and Parts
$39.95AC-Unity HK Cheek Piece - Black New production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle. Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper...HKP-20153$39.95 -
HKP Quick Detach Sling Attachment Sling Pin - Small
HKP HK Parts
$37.95The small push pin is used to retain the forearm to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for the sling pin to allow a sling mounting location for a...HKP-18071$37.95 -
HKP Roller +4 - New - 8.04mm
HKP HK Parts
$8.99Roller +4 - New - 8.04mmHK Parts Standard (8.04 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19441$8.99 -
H&K +4 Roller For Bolt Head 8.04mm - Over-sized
H&K Heckler & Koch
$14.95H&K +4 Roller For Bolt Head 8.04mm - Over-sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...HKP-00508$14.95 -
AIM HK 91/G3 (7.62x51 / .308) Full Length Handguard - MLOK
AIM
$85.95HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-Lok accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on...HKP-18176$85.95 -
H&K Full Auto Paddle Magazine Release Bushing - New
H&K Heckler & Koch
$6.95H&K Full Auto Paddle Magazine Release Bushing - New New HK German paddle magazine release bushing for all 90 series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on semi-auto HK builds. This...HKP-00847$6.95 -
H&K Magazine Catch, Push Button Roll Pin
H&K Heckler & Koch
$4.95H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...HKP-01918$4.95 -
H&K 91/G3 (7.62x51 / .308) Recoil Spring
H&K Heckler & Koch
$7.95HK German G3, 91, PTR Recoil Spring Best price in the country, on a new German HK factory recoil spring. No surplus or used springs here. Factory-fresh and HK German. Stock up at this price you can afford to keep a few as spares, why buy surplus springs...HKP-00360$7.95 -
HKP HK 91/G3 (7.62x51/.308) Rubberized Mag Pouch - Surplus
HKP HK Parts
Now: $4.95Was: $9.95German Surplus Green Rubberized Mag Pouch Used Fits the following HK style firearms: HK G3, 91, PTR & CETME Custom HK builds & HK Clones Please note: These range in shades of green color from OD green to Jungle green. If you have a...HKP-16321Now: $4.95Was: $9.95 -
H&K 90 Series Sear & Trigger Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus ConditionHK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...HKP-15459$1.99 -
Blitzkrieg HK Chevron Front Sight Gen 2 - Orange
Blitzkrieg Components
$56.99Blitzkrieg HK Chevron Front Sight Gen 2 (Orange) Fits: HK Style Front Sight Tower Including MP5/SP5, HK33/53/91/93/94, MKE/Zenith/Century *Does not fit the .22LR The Blitzkrieg components gen 2 HK style front sight is a revolutionary approach to this...HKP-20454$56.99 -
H&K 91/G3 (7.62x51 / .308) Firing Pin
H&K Heckler & Koch
$19.95HK G3, HK91, PTR 762/308 Firing Pin - German HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible With: HK G3 HK91 HK PTR CETME & C308HKP-00497$19.95 -
HKP Universal M-LOK Short Grip
HKP HK Parts
$29.95HKP Universal M-LOK Short Grip Short vertical grip for M-LOK. This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. Features: Just...HKP-20681$29.95 -
HKP 90 Series Sear
HKP HK Parts
$47.95HK USA-Made Sear, Catch-Billeted Machined Steel Hard to find and important for keeping your HK build 922R compliant. This US-made sear counts as one US-compliant part for your rifle or build. Machined from a bar of solid ordnance grade steel, with the...HKP-00378$47.95 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig Punch Set 20 Piece German Feeler Gauge SetHKP-18659$67.95 -
H&K Single Point Sling - Quick Detach - Black
H&K Heckler & Koch
$29.95HK Single Point Sling in Black - Quick DetachSpecifications: Composition: Thick, all black, heavy-duty Cordura nylon Style: Bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1...HKP-19767$29.95 -
HKP SEF Style Franklin Armory Binary Aluminum Selectors
HKP HK Parts
$59.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum This new Selector Lever Set was modeled after the HK Style Selector Lever for the Franklin Armory Trigger Packs. This is the best selector set for...HKP-20103$59.95 -
H&K 91/G3 (7.62x51 / .308) 20 Round Factory Sealed Mag Pack - 5 Pack
H&K Heckler & Koch
$99.95Factory HK Sealed 5 Pack German 20 Round Magazine - G3, 91, PTRBrand new old stock factory sealed 5 pack German manufactured paratrooper alloy magazines. No longer in production and getting harder to find in new condition. These mags are the real deal,...HKP-18037$99.95