HK G3/91 Series

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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  • PTR-32 (7.62x39) Locking Piece - 70 degree PTR-32 (7.62x39) Locking Piece - 70 degree

    PTR-32 (7.62x39) Locking Piece - 70 degree

    PTR

    $63.95
    PTR-32 (7.62x39) Locking Piece - 70 degree New PTR Locking Piece For PTR-32. Marked "70" for the PTR-32 series of rifles and pistols. This is a 70 degree locking piece. New PTR manufacture. This locking peice will also work for custom HK builds as well.
    HKP-18519
    $63.95
    Qty in Cart: 0
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    $63.95
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  • Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower

    Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower

    Solar Tactical

    $79.95
    Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over...
    HKP-19071
    $79.95
    Qty in Cart: 0
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  • Surefire (7.62x.308) SOCOM 3-Prong Flash Hider - Threaded 5/8x24 Surefire (7.62x.308) SOCOM 3-Prong Flash Hider - Threaded 5/8x24

    Surefire (7.62x.308) SOCOM 3-Prong Flash Hider - Threaded 5/8x24

    Surefire

    $159.95
    Surefire (7.62x.308) SOCOM 3-Prong Flash Hider - Threaded 5/8x24 The SureFire three-prong flash hider is designed for Armalite AR-10, DPMS LR308, and other 7.62 rifles with 5/8x24 muzzle threads. Its patent-pending design reduces muzzle flash by over 99%...
    HKP-19992
    $159.95
    Qty in Cart: 0
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  • AIM HK 91 Carbine Length Handguard - Keymod AIM HK 91 Carbine Length Handguard - Keymod

    AIM HK 91 Carbine Length Handguard - Keymod

    AIM

    $69.95
    HK 91 CARBINE LENGTH HANDGUARD- KEY MOD This sleek streamlined design is an ultra low profile hand guard with generous mounting space to accept all Key Mod accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern...
    HKP-18178
    $69.95
    Qty in Cart: 0
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  • H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K Heckler & Koch

    $119.95
    H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs This wheel can be used to convert a 0,1,3, F to a 2-round burst rather than a 3-round burst option.
    HKP-02488
    $119.95
    Qty in Cart: 0
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  • H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used

    H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used

    H&K Heckler & Koch

    $18.99
    H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used   Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clones
    HKP-21555
    $18.99
    Qty in Cart: 0
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    $18.99
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  • H&K German Leather Sling - Well Used with No Loop H&K German Leather Sling - Well Used with No Loop

    H&K German Leather Sling - Well Used with No Loop

    H&K Heckler & Koch

    $39.80
    Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones Other custom...
    HKP-20583
    $39.80
    Qty in Cart: 0
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    $39.80
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  • H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black

    H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black

    H&K Heckler & Koch

    $349.95
    German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...
    HKP-20069
    $349.95
    Qty in Cart: 0
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  • H&K Universal Harris Bipod Adapter - RAL 8000 H&K Universal Harris Bipod Adapter - RAL 8000

    H&K Universal Harris Bipod Adapter - RAL 8000

    H&K Heckler & Koch

    $199.95
    HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...
    HKP-17750
    $199.95
    Qty in Cart: 0
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  • Out Of Stock
    HK G3 .22 Conversion Magazine HK G3 .22 Conversion Magazine

    HK G3 .22 Conversion Magazine

    $99.95
    HK G3 .22 Conversion Magazine HK .22 Caliber Conversion Kit Magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint finish that comes in all...
    HKP-20750
    $99.95
    Qty in Cart: 0
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  • HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000

    HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000

    HKP HK Parts

    $79.95
    HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...
    HKP-21380
    $79.95
    Qty in Cart: 0
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  • HKP HK 91/G3 (7.62x51/.308) Key Mod Handguard HKP HK 91/G3 (7.62x51/.308) Key Mod Handguard

    HKP HK 91/G3 (7.62x51/.308) Key Mod Handguard

    HKP HK Parts

    $149.95
    HK G3, HK91 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your...
    HKP-17178
    $149.95
    Qty in Cart: 0
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    $149.95
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  • HKP Leather Key Chain - Brown G3 HKP Leather Key Chain - Brown G3

    HKP Leather Key Chain - Brown G3

    HKP HK Parts

    $14.95
    HK Parts - Leather Key Chain - Brown G3 Now offering these high quality, handmade German artisan leather keychains. Be sure to check out our other color options.
    HKP-20657
    $14.95
    Qty in Cart: 0
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    $14.95
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  • HKP Single Point Leather Sling - OD Green HKP Single Point Leather Sling - OD Green

    HKP Single Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    Single Point Leather Sling - OD Green Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20163
    $49.95
    Qty in Cart: 0
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  • Kinetic Development Group Sidelok Modular Optic Mount - 30mm Kinetic Development Group Sidelok Modular Optic Mount - 30mm

    Kinetic Development Group Sidelok Modular Optic Mount - 30mm

    $224.95
    Kinetic Development Group Sidelok Modular Optic Mount - 30mm The new KDG Modular Optic Mount is based off the proven Sidelok family of quick detach optic mounts and features the same user-friendly, tool-free design. KDG set out to design a Sidelok mount...
    HKP-19062
    $224.95
    Qty in Cart: 0
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    $224.95
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  • PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly

    PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly

    PTR

    $339.95
    PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly AR15/M16 to HK 90 series stock adapter set up for the PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock on your PTR PDW. Each adapter includes the...
    HKP-15753
    $339.95
    Qty in Cart: 0
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    $339.95
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  • RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH

    RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...
    HKP-02392
    $164.95
    Qty in Cart: 0
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    $164.95
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  • H&K 90 Series Trigger German HK - Refinished H&K 90 Series Trigger German HK - Refinished

    H&K 90 Series Trigger German HK - Refinished

    H&K Heckler & Koch

    $19.95
    Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    HKP-20678
    $19.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K 91/G3 (7.62x51/.308) Magazine Loader H&K 91/G3 (7.62x51/.308) Magazine Loader

    H&K 91/G3 (7.62x51/.308) Magazine Loader

    H&K Heckler & Koch

    $0.00
    HK Factory Loader for HK 91/G3 Magazines   Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazines
    HKP-00221
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K A3 Parkerized Stock Protective Cover H&K A3 Parkerized Stock Protective Cover

    H&K A3 Parkerized Stock Protective Cover

    H&K Heckler & Koch

    $19.95
    H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place. 
    HKP-20649
    $19.95
    Qty in Cart: 0
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  • H&K Extended Selector Lever - Burst 3 Position H&K Extended Selector Lever - Burst 3 Position

    H&K Extended Selector Lever - Burst 3 Position

    H&K Heckler & Koch

    $94.95
    H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.
    HKP-16973
    $94.95
    Qty in Cart: 0
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    $94.95
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  • H&K HK MP5/91/93/53/33/G3 Sear/Catch

    H&K HK MP5/91/93/53/33/G3 Sear/Catch

    H&K Heckler & Koch

    $57.95
    Sear/Catch Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: MP5, MP5K HK91, G3, PTR HK93, 33, 53 Other 90 series trigger packs and clones such as Omega,...
    HKP-01459
    $57.95
    Qty in Cart: 0
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    $57.95
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  • Out Of Stock
    HK Ambidextrous Sling - Green - USED

    HK Ambidextrous Sling - Green - USED

    H&K Heckler & Koch

    $89.95
    HK Ambidextrous Sling - Green - USED This sling is the factory (used) HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on...
    HKP-00183
    $89.95
    Qty in Cart: 0
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    $89.95
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  • HKP Single Point Leather Sling - Brown HKP Single Point Leather Sling - Brown

    HKP Single Point Leather Sling - Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20161
    $49.95
    Qty in Cart: 0
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    $49.95
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  • HKP V51 Backplate HKP V51 Backplate

    HKP V51 Backplate

    HKP HK Parts

    $167.95
    HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...
    HKP-21201
    $167.95
    Qty in Cart: 0
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    $167.95
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  • Out Of Stock
    MM HK PSG1/MSG90/91/G3 (7.62x51/.308) T-Rail Reinforcement Set For Receiver

    MM HK PSG1/MSG90/91/G3 (7.62x51/.308) T-Rail Reinforcement Set For Receiver

    Michaels Machines

    $299.95
    HK Receiver Reinforcement T-Rail Set For Left and Right Sides T-rails are used to strengthen HK receivers or for custom builds. These are the finest T-rails available on the market. Made from enhanced steel and perfect for that custom HK project...
    HKP-00236
    $299.95
    Qty in Cart: 0
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    $299.95
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  • Out Of Stock
    PTR HK 91/G3 (7.62x51/.308) Slimline Forearm PTR HK 91/G3 (7.62x51/.308) Slimline Forearm

    PTR HK 91/G3 (7.62x51/.308) Slimline Forearm

    PTR

    $39.95
    New Slim Line HK91, G3, PTR Forearm- US Each forearm is a new US made offering made on the original HK tooling acquired by PTR91. Black in color, no internal heat shield. This hand guard also counts as 1 desirable US compliant part for your HK 91, G3...
    HKP-16251
    $39.95
    Qty in Cart: 0
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    $39.95
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  • Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH

    Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH

    Surefire

    $95.00
    Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH The SureFire PROCOMP muzzle brake is designed for AR10/LR308 rifles and variants with 5/8x24 muzzle threads. It significantly reduces recoil impulse and features neutral porting...
    HKP-19486
    $95.00
    Qty in Cart: 0
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    $95.00
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  • Clubfoot Stock For HK .308 Rifles - Green Clubfoot Stock For HK .308 Rifles - Green

    Clubfoot Stock For HK .308 Rifles - Green

    USA

    $299.95
    US & German HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with both US & German H&K parts. Includes: HK 21E Clubfoot central stock section (counts as one US compliant part) HK heavy rubber buttpad USHK...
    HKP-19667
    $299.95
    Qty in Cart: 0
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    $299.95
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  • H&K / HKP V51 Fixed Stock H&K / HKP V51 Fixed Stock

    H&K / HKP V51 Fixed Stock

    HKP HK Parts

    $279.95
    H&K / HKP V51 Fixed Stock Finally after years of unobtainable replacement stocks for your Vector V51 firearm we now bring you multiple A2 style options to dress your V51 to your liking. We take a like new back plate and convert it into a V51...
    HKP-21270-M
    $279.95
    Qty in Cart: 0
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    $279.95
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  • H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good

    H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good

    H&K Heckler & Koch

    $299.95
    Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete  Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...
    HKP-16205
    $299.95
    Qty in Cart: 0
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    $299.95
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  • Out Of Stock
    H&K Shifter Rod - Burst Trigger Packs

    H&K Shifter Rod - Burst Trigger Packs

    H&K Heckler & Koch

    $59.95
    German HK Trigger Pack Shifter Rod For Burst Trigger Packs
    HKP-02054
    $59.95
    Qty in Cart: 0
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    $59.95
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  • Out Of Stock
    HK 416/MP5 Sling Swivel HK 416/MP5 Sling Swivel

    HK 416/MP5 Sling Swivel

    HKP HK Parts

    $34.95
    HK 416/MP5 Sling Swivel Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with the an MP5 that has a tri rail set up.
    HKP-16318
    $34.95
    Qty in Cart: 0
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  • H&K (7.62/.308) & (5.56/.223) Flash Hider - Used H&K (7.62/.308) & (5.56/.223) Flash Hider - Used

    H&K (7.62/.308) & (5.56/.223) Flash Hider - Used

    H&K Heckler & Koch

    $15.95
    H&K (7.62/.308) & (5.56/.223) Flash Hider - Used Used/surplus H&K German flash hider.  Please inspect pictures to ascertain the average condition of these flash hiders. Compatible With: HK 93/33/54 HK G3/91  
    HKP-00717
    $15.95
    Qty in Cart: 0
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    $15.95
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  • H&K 3 Position Ambidextrous Selector Lever - BURST ONLY H&K 3 Position Ambidextrous Selector Lever - BURST ONLY

    H&K 3 Position Ambidextrous Selector Lever - BURST ONLY

    H&K Heckler & Koch

    $99.47
    H&K 3 Position Ambidextrous Selector Lever - BURST ONLY This selector lever will convert any 4 position 0, 1, 2, F or 0, 1, 3, F trigger group to non-full auto BURST capability only, making the rotation 3 position instead of 4 position. This selector...
    HKP-01294
    $99.47
    Qty in Cart: 0
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    $99.47
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  • Out Of Stock
    H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Heavy Rubber Buttpad For HK A2 Fixed Stocks H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Heavy Rubber Buttpad For HK A2 Fixed Stocks

    H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Heavy Rubber Buttpad For HK A2 Fixed Stocks

    H&K Heckler & Koch

    $0.00
    HK German Heavy Rubber Butt Pad The HK German Heavy Rubber Butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This butt pad extends the LOP slightly & provides a greater surface area for...
    HKP-00525
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished

    H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished

    H&K Heckler & Koch

    $84.95
    HK German 20 Round Steel Magazine - Refinished HK G3 factory steel 20-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished follower along with a fully parkerized finish...
    HKP-21587
    $84.95
    Qty in Cart: 0
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    $84.95
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  • On Sale
    H&K 91/G3 (7.62x51/.308) A3 PDW Retractable Stock German - BLEMISHED H&K 91/G3 (7.62x51/.308) A3 PDW Retractable Stock German - BLEMISHED

    H&K 91/G3 (7.62x51/.308) A3 PDW Retractable Stock German - BLEMISHED

    H&K Heckler & Koch

    Now: $649.95
    Was: $799.95
    H&K 91/G3 (7.62x51/.308) A3 Retractable Stock - Contract Stock - BLEMISHED MISSING SLING LOOP. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Contract A3...
    HKP-18067-BL-B
    Now: $649.95
    Was: $799.95
    Qty in Cart: 0
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    Now: $649.95
    Was: $799.95
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  • H&K Burst Hammer For Burst Trigger Groups H&K Burst Hammer For Burst Trigger Groups

    H&K Burst Hammer For Burst Trigger Groups

    H&K Heckler & Koch

    $349.95
    New HK German Factory 2 or 3-Round Burst Hammer For all HK 90 series burst packs. It will fit both 2 & 3-round burst trigger packs. 0,1,3,F0,1,2,F0,1,30,1,2.
    HKP-00851
    $349.95
    Qty in Cart: 0
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    $349.95
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