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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    HK91, G3 Trigger Shoe HK91, G3 Trigger Shoe

    HK91, G3 Trigger Shoe

    H&K Heckler & Koch

    $12.95
    HK G3 Trigger Shoe Factory Heckler and Koch G3 trigger shoe.  Compatible With:  HK G3 PSG1 MSG90 In-spec. clones and custom builds  
    HKP-22524
    $12.95
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  • WOOX M-LOK Rail Covers - Checkered - GEN2 WOOX M-LOK Rail Covers - Checkered - GEN2
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    WOOX M-LOK Rail Covers - Checkered - GEN2

    WOOX

    $38.95 - $48.95
    WOOX Checkered GEN2 HK Rifle, SMG M-LOK Rail Covers The checkered GEN2 M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection. The Checkered texture uses black nylon bushings and is...
    HKP-22463-M
    $38.95 - $48.95
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  • On Sale
    HK G3,91,PTR, 93,33 & MP5, 94 Hammer Strut - USED H&K Heckler & Koch HKP-15445-USED HK G3,91,PTR, 93,33 & MP5, 94 Hammer Strut - USED H&K Heckler & Koch HKP-15445-USED
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    HK MP5, HK90 Series Hammer Strut - USED

    H&K Heckler & Koch

    Now: $5.21
    Was: $9.95
    HK MP5, G3, 91, PTR, 93, 33, HK94 Hammer Strut - USED   SOLD INDIVIDUALLY   USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Hammer Strut for 90 series rifles and pistols. A perfect...
    HKP-15445-USED
    Now: $5.21
    Was: $9.95
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    Now: $5.21
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  • M-LOK Angled Foregrip - Walnut M-LOK Angled Foregrip - Walnut
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    M-LOK Angled Foregrip - Walnut

    JMK

    $43.95
    JMK Angled foregrip M-LOK - Walnut JMK's M-LOK covers feature an integrated hand stop to ensure a secure grip during use. They are an excellent choice for pairing with JMK M-LOK Covers, providing your build with a high-quality finish. These covers are...
    HKP-22405-M
    $43.95
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  • Rail Panel Cover - M-LOK - 3 Slot Rail Panel Cover - M-LOK - 3 Slot
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    Rail Panel Cover - M-LOK - 3 Slot

    JMK

    $18.95 - $23.95
    JMK Rail Panel Cover - M-LOK - 3 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22403-M
    $18.95 - $23.95
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  • HK51 MOE PR Stock Magpul HKP-22338 AP51 MOE PR Stock - PDW
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    AP51 MOE PR Stock - PDW

    Magpul

    $249.95
    Magpul Century AP51 PDW MOE PR Stock Designed for the Century AP51 PDW platform, this adapter ensures a precise fit and solid lockup for stock installation. Built for durability and proper alignment, it maintains correct stock geometry and function...
    HKP-22346
    $249.95
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  • HK 91/G3 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22322 HK 91/G3 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22322
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    HK91, G3 Metal Trigger Housing Conversion Kit - AC Unity Grip

    HKP HK Parts

    $189.95
    HK91, G3 Metal Trigger Housing Conversion Kit - AC Unity Grip This kit includes everything you need to convert a polymer HK91 or G3 trigger group a robust metal housing. Simply use your existing semi-auto SEF trigger pack to complete the conversion. This...
    HKP-22322
    $189.95
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  • HKP HK 91/G3 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22251 HKP HK 91/G3 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22251
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    HK91, G3 Sniper Trigger Group - AC Unity Grip - Match Trigger

    HKP HK Parts

    $644.85
    HK Parts Trigger Group with AC Unity Grip and Match Trigger for HK91 and HK G3 The HK G3 and HK91 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust...
    HKP-22251
    $644.85
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  • New - FMP HK G3 Manual - HKP-21542 FMP HK G3 Manual
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    FMP HK G3 Manual

    $149.95
    FMP HK G3 Manual English-translated manuals for the Factory FMP G3 are available now. This is a rare collector's piece and the perfect item for those aiming to assemble a complete FMP G3 parts kit with an authentic factory manual. The cover is inscribed...
    HKP-21542
    $149.95
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  • Out Of Stock
    New - H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned - HKP-20404 HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position 0,1,3 Pictogram Burst - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308

    HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position 0,1,3 Pictogram Burst - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308

    H&K Heckler & Koch

    $0.00
    H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned Introducing the new Factory German trigger housing, designed for use in safe, semi, and burst configurations...
    HKP-20404
    $0.00
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  • Out Of Stock
    New - HKP HK 91/G3 (7.62x51/.308) 20 Round Steel Magazine - Latest HK Production - HKP-00542 HK91, G3 20 Round Steel Magazine - Latest HK Production

    HK91, G3 20 Round Steel Magazine - Latest HK Production

    H&K Heckler & Koch

    $0.00
    HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With: HK 91 HK G3 PTR-91, PTR PDW Vector 51, G3K, HK51, HK51K Century C308...
    HKP-00542
    $0.00
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  • New - HK German SEF SEMI .308 Clipped & Pinned Trigger Group - HKP-00210-CP Semi-Auto SEF Trigger Group - .308
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    Semi-Auto SEF Trigger Group - .308

    H&K Heckler & Koch

    $549.95
    HK German SEF SEMI .308 Clipped & Pinned Trigger Group The new HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. Compatible With: HK 91 HK G3 C308 PTR-91 HK .308 rifles. SEF Navy Style Trigger Group...
    HKP-00210-CP
    $549.95
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    $549.95
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