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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  • New - Choate PTR PDW & HK 51 (7.62x39) & (7.62x51/.308) Tactical Folding Stock - Adjustable - HKP-14537 HK51, PTR PDW Folding Stock - Adjustable
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    HK51, PTR PDW Folding Stock - Adjustable

    Choate

    $239.95
    Choate PTR PDW and HK51 Tactical Folding Stock - Adjustable The adjustable length system lets smaller-stature shooters or officers wearing body armor have a weapon that fits their needs. This stock also has spacers to allow the stock to be lengthened by...
    HKP-14537
    $239.95
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  • New - HK91, G3 7.62x51 / .308 Magazine Catch - HKP-02073 HK91, G3 Magazine Catch
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    HK91, G3 Magazine Catch

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Magazine Catch for HK G3 and HK91 High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK91, G3 PTR91
    HKP-02073
    $19.95
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  • New - PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete - HKP-16142 HK91, G3 M4 Stock, Complete
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    HK91, G3 M4 Stock, Complete

    PTR

    $234.95
    PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use an AR M4 style stock on your HK rifle or SBR. Each stock set...
    HKP-16142
    $234.95
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  • Used - H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used - HKP-18924 HK91, G3, PTR Magazine - 5 Round - Used
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    HK91, G3, PTR Magazine - 5 Round - Used

    H&K Heckler & Koch

    $59.95
    German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11
    HKP-18924
    $59.95
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  • New - HKP 90 Series S1 Curved Trigger - Skeletonized - HKP-22180-M HK90 Series S1 Curved Trigger - Skeletonized
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    HK90 Series S1 Curved Trigger - Skeletonized

    HKP HK Parts

    $68.95
    HKP 90 Series S1 Curved Trigger - Skeletonized - USA The HK Parts Skeletonized S1 curved 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF, and Navy style trigger packs effortlessly. Due to its...
    HKP-22180-M
    $68.95
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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
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    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 - AIM HK 91/G3 (7.62x51/.308) Extended Carbine Length Handguard - M-LOK - HKP-18172 HK91, G3 Extended Carbine Length Handguard - M-LOK
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    HK91, G3 Extended Carbine Length Handguard - M-LOK

    AIM

    $119.95
    HK G3 EXTENDED CARBINE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...
    HKP-18172
    $119.95
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  • New - H&K Cable Gun Lock - HKP-02442
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    HK Cable Gun Lock

    H&K Heckler & Koch

    $19.95
    HK Cable Gun Lock This is the same lock that ships with factory HK firearms.
    HKP-02442
    $19.95
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  • New - HK 91/G3 (7.62x51/.308) Bolt Head Complete - US Made - HKP-00839 HK91, G3 Bolt Head Complete - US Made
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    HK91, G3 Bolt Head Complete - US Made

    USA

    $149.95
    Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...
    HKP-00839
    $149.95
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  • HK91, G3, MSG90 10 Round Magazine - Alloy H&K Heckler & Koch HKP-22418 HK91, G3, MSG90 10 Round Magazine - Alloy H&K Heckler & Koch HKP-22418
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    HK91, G3, PTR Magazine - 10 Round - Alloy

    H&K Heckler & Koch

    $37.95
    H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using a US-made floorplate. Compatible With: HK91 HK...
    HKP-22418
    $37.95
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  • On Sale
    New - MKE HK MP5 Elbow Spring for Trigger - HKP-22225 MKE HK MP5 Elbow Spring for Trigger MKE HKP-22225
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    HK MP5, HK90 Series Trigger Spring - SEF, Navy

    MKE

    Now: $2.45
    Was: $8.95
    MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...
    HKP-22225
    Now: $2.45
    Was: $8.95
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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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