HK91 / G3 / HK51 Series

HK91 / G3 / HK51 Series

Discover the ultimate collection of parts for your HK G3 and HK 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 HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.

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    HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284 HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284

    HK MP5 Barrel Retaining Pin - 5.015mm

    H&K Heckler & Koch

    $14.95
    H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel.  Compatible With:  HK MP5, SP5, MP5K,...
    HKP-22284
    $14.95
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    Used - SureFire SOCOM (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 - HKP-19789 HK G3, HK417 Muzzle Brake - SOCOM - Threaded 5/8x24

    HK G3, HK417 Muzzle Brake - SOCOM - Threaded 5/8x24

    Surefire

    $164.95
    SureFire SOCOM (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 The SureFire muzzle brake is designed for Armalite AR-10, DPMS LR308, and other 7.62 mm rifles with 5/8x24 muzzle threads. It greatly reduces recoil impulse and muzzle rise, featuring neutral...
    HKP-19789
    $164.95
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  • New - Aero Precision (7.62/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH - HKP-19675 Gamma Muzzle Brake - Threaded 5/8x24 RH
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    Gamma Muzzle Brake - Threaded 5/8x24 RH

    Aero Precision

    $104.95
    Aero Precision (7.62x51/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH The VG6 GAMMA is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement. The unique combination of both braking and compensating features...
    HKP-19675
    $104.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent - HKP-19042 HK91, G3 Handguard - Slimline Style - Jungle Green - Used Excellent
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    HK91, G3 Handguard - Slimline Style - Jungle Green - Used Excellent

    H&K Heckler & Koch

    $29.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent Used in excellent shape. These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    HKP-19042
    $29.95
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    New - PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 - HKP-19633 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24 - Match

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24 - Match

    PTR

    $229.95
    PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 This new PTR-91 US-manufactured 18" heavy profile match grade barrel is perfect for new builds and counts as one US-made compliant part. It features the proper fluted chambers for HK G3/91 rifles...
    HKP-19633
    $229.95
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  • New - HKP Tactical Rail - 2" - HK91/93 - HKP-02527 HK91, HK93 Rail - Tactical - 2"
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    HK91, HK93 Rail - Tactical - 2"

    HKP HK Parts

    $16.95
    HKP HK Parts 2" Tactical Rail  for HK91, PTR 91, and the HK93 (with tactical grip) The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards...
    HKP-02527
    $16.95
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  • New - POF HK G3, 91, PTR SlimLine Hand Guard - HKP-19560 HK G3, HK91, PTR Handguard - Slimline Style
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    HK G3, HK91, PTR Handguard - Slimline Style

    POF

    $19.95
    POF Slimline HK91, G3, PTR Forearm - POF New POF HK-contract slimline standard-length handguard full size HK G3, 91, PTR rifles.  Does not feature internal heat shield. Compatible With: HK91 HK G3 PTR-91 CETME (modification may be needed) Other HK ...
    HKP-19560
    $19.95
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  • New - JMAC Universal M-LOK Skeleton Forward Grip - HKP-21240 M-LOK Foregrip - Skeleton
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    M-LOK Foregrip - Skeleton

    JMAC Customs

    $89.95
    JMAC Universal M-LOK Skeleton Forward Grip  Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK Compatible (Requires 2 slots) Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...
    HKP-21240
    $89.95
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    New - PTR HK 91/G3 (7.62x51/.308) Extractor - HKP-16222 HK91, G3 Extractor

    HK91, G3 Extractor

    PTR

    $30.99
    PTR HK 91/G3 (7.62x51/.308) Extractor  US Made by PTR. Made from stainless steel. Compatible With: HK G3 PTR 7.62 X 51mm models
    HKP-16222
    $30.99
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  • New - Magpul HK G3 / HK 91 PRS Gen 3 Stock - HKP-21172-M HK91, G3 Stock - PRS Gen 3
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    HK91, G3 Stock - PRS Gen 3

    Magpul

    $429.95
    Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options  The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments...
    HKP-21172-M
    $429.95
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    New - H&K G3 Operators Manual - HKP-15211

    HK G3 Operators Manual

    HKP HK Parts

    $21.95
    HK G3, 91, PTR Operators Manual The G3 Operators Manual is for the Full Auto version of the HK91. Page-by-page translation of the original German Army instruction manual for the G3 family of firearms. With 120 pages and six full-color illustrations...
    HKP-15211
    $21.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus - HKP-18932 HK91, G3 Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus
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    HK91, G3 Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - OD Green - Surplus Used Olive Drab green German surplus stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...
    HKP-18932
    $129.95
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