HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • Used - RCM HK Style MP5K 9mm Complete Bolt Group - HKP-19846 HK MP5K Bolt Group - Complete - 9mm - SA/FA
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    HK MP5K Bolt Group - Complete - 9mm - SA/FA

    RCM

    $394.95
    Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group is compatible with semi and full-auto MP5K 9mm style firearms.  Each bolt group comes complete,...
    $394.95
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    $394.95
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  • Out Of Stock
    New - H&K HK MR556/MR762/416/417 Takedown Pin Detent Spring - HKP-02541

    HK416, HK417, MR556, MR762 Takedown Pin Detent Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/MR762/416/417 Takedown Pin Detent Spring New HK German manufacture. Detent spring for the rear takedown pin. Compatible With: HK MR556 HK 416 HK MR762 HK 417
    $9.95
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  • Out Of Stock
    New - Choate HK 91/G3 (7.62x51/.308) Folding Stock Replacement Buffer - HKP-00211

    HK91, G3 Buffer - Folding Stock - Replacement

    Choate

    $3.95
    Choate HK 91 & G3 (7.62x51/.308) Folding Stock Replacement Buffer Choate .308 folding stock replacement buffer for all HK91/G3 PTR stocks. A great item to have on hand as these do wear and are prone to breaking. Compatible With: HK 91/G3
    $3.95
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    $3.95
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  • On Sale
    New - IMI 32 Round UZI Magazine - LIKE NEW - HKP-21231 IMI 32 Round UZI Magazine - LIKE NEW
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    IMI 32 Round UZI Magazine - LIKE NEW

    IMI

    Now: $32.95
    Was: $44.95
    Uzi 32 Round 9mm Magazine - Like New - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowed Mec-Gar magazine manufacturing company with IMI Licensing. An all steel production and a blued finish to help protect it against rust. These are the...
    Now: $32.95
    Was: $44.95
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    Now: $32.95
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  • New - H&K HK G3, HK 91, PTR Rear Sight Assembly - HKP-19372
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    HK91, G3, PTR Rear Sight Assembly

    H&K Heckler & Koch

    $39.95
    HK German G3, 91, PTR Rear Sight Assembly Complete - New HK - Hand Windage Adjustment Knob HK 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...
    $39.95
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  • New - HK MP5 .22LR UMP Style Folding Stock - HKP-20167 HK MP5 .22LR UMP Style Folding Stock
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    HK MP5 .22LR UMP Style Folding Stock

    HKP HK Parts / Heckler & Koch

    $249.95
    HK MP5 .22LR - German UMP Style Folding Stock w/ HK Parts Stock Adapter New complete MP5 .22lr folding stock with UMP style stock section. Each stock uses a UMP style stock for a longer length of pull and a includes a new CNC machined stock adapter...
    $249.95
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    $249.95
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  • Out Of Stock
    New - H&K HK MR556/416/416 A5 Slim Line Stock - RAL 8K - HKP-17602 HK416, HK416A5, MR556 Slim Line Stock - RAL8000

    HK416, HK416A5, MR556 Slim Line Stock - RAL8000

    H&K Heckler & Koch

    $94.95
    H&K HK MR556/416/416 A5 Slim Line Retractable Stock - RAL 8K New from HK Germany the slim line retractable stock fits all commercial & mil-spec AR-15/M16 buffer tubes. Marked with the HK logo and issued on specialized HK 416, MR556 rifles...
    $94.95
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  • Used - H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned - HKP-00722 H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned H&K Heckler & Koch HKP-00722
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    HK G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned

    H&K Heckler & Koch

    $79.95
    H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned This Germa made Heckler & Koch G3 surplus grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HK G3, PTR-91, or other HK .308 type...
    $79.95
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    $79.95
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  • New - Outers 9mm Bore Cleaner - HKP-19922 Outers Barrel Bore Cleaner - 9mm
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    Outers Barrel Bore Cleaner - 9mm

    $7.95
    Outers 9mm Bore Cleaner .357/.38   Manufactured by the makers of the original BoreSnake and will work with all 9mm pistol and rifles. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting...
    $7.95
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  • New - H&K HK USP/45/45C Ambidextrous Control Lever Set Roll Pin - HKP-02394
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    HK45, HK45C, USP Roll Pin - Ambi Control Lever

    H&K Heckler & Koch

    $2.95
    HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...
    $2.95
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  • New - HKP HK UMP (.40 S&W/.45 ACP/9mm) Armorer Manual - HKP-00612
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    HK UMP Armorer Manual - 9mm / .40 S&W / .45 ACP

    HKP HK Parts

    $19.95
    HK UMP Armorer Manual This is the most in-depth manual available for the UMP series and covers the UMP 45, 40, & 9mm calibers. It has 64 Pages with diagrams and in-depth coverage of the history and full mechanical diagrams of the UMP firearm.
    $19.95
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  • New - HK 91/G3 Magazine Follower - USA - HKP-18997 HK91, G3 Magazine Follower - USA
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    HK91, G3 Magazine Follower - USA

    $19.95
    Magazine Follower - USA - HK 91, G3, PTR USA made magazine follower for HK 91, G3 magazines. This follower is made in the USA and counts as one US made compliant part needed for builds and conversions for 922r compliance.
    $19.95
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