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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  • New - HKP Short Sleeve Tee - Black - HKP-21026-M
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    HKP Shirt - Short Sleeve - Black

    HKP HK Parts

    $14.95
    HKP Short Sleeve Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...
    HKP-21026-M
    $14.95
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  • Out Of Stock
    New - HKP 50 Round GSG-522/GSG-16 Drum Magazine - Translucent - HKP-16234 GSG-522, GSG-16 Drum Magazine - 50 Round - Translucent

    GSG-522, GSG-16 Drum Magazine - 50 Round - Translucent

    HKP HK Parts

    $79.95
    HKP 50 Round GSG-522/GSG-16 Drum Magazine - Translucent Compatible With: GSG-16 GSG5 GSG5PK GSG522 GSG5-SD ** Please note: This magazine will NOT FIT the HK Walther/Umarex MP5-A5 or SD models (we have one that works for the HK MP5 .22 in the MP5 .22...
    HKP-16234
    $79.95
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  • Out Of Stock
    New - H&K HK MR556/762/416/417 Bolt Catch Spring - HKP-16661

    HK416, MR556, HK417, MR762 Bolt Catch Spring

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/762/416/417 Bolt Catch Spring Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-16661
    $6.95
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    $6.95
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  • New - H&K HK MR556/MR762/416 Forward Assist Assembly - HKP-16528 HK416, MR556, MR762 Forward Assist Assembly, Complete
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    HK416, MR556, MR762 Forward Assist Assembly, Complete

    H&K Heckler & Koch

    $74.95
    H&K Heckler and Koch Forward Assist Assembly for HK416, HK MR556, and HK MR762  H&K Germany factory HK MR556 and HK416 forward assist assembly complete. Compatible With: HK 416, MR556 HK MR762
    HKP-16528
    $74.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - HKP-01607 HK91, G3, PTR Magazine - 10 Round - Steel
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    HK91, G3, PTR Magazine - 10 Round - Steel

    H&K Heckler & Koch

    $73.95
    10 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK91 HK G3 HK...
    HKP-01607
    $73.95
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  • New - H&K G3 Standard Buffer Locking Plate - HKP-16982
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    HK G3 Standard Buffer Locking Plate

    H&K Heckler & Koch

    $1.49
    H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.
    HKP-16982
    $1.49
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    $1.49
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  • New - RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug - HKP-01162 HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug
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    HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug

    RCM

    $165.00
    RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug This MP5N barrel is made in the USA from Cold Hammer Forged steel, providing top quality and value. It is treated with a durable nitride finish, similar to Sig Sauer's process, for a hard, resilient...
    HKP-01162
    $165.00
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  • New - HKP HK UMP 2 Position Lower Grip Frame - FDE - HKP-19384 HK UMP 2 Position Lower Grip Frame
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    HK UMP 2 Position Lower Grip Frame

    HKP HK Parts

    $184.95
    HKP HK UMP 2 Position Lower Grip Frame Lower grip frame configured for two-position operation. Designed for use with user-supplied internals and suitable for replacement or build use on HK UMP pattern firearms. Commonly used for USC to UMP conversion...
    HKP-19384-M
    $184.95
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  • Out Of Stock
    Like New - H&K 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - Like New- HKP-20517 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked - Like New

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked - Like New

    H&K Heckler & Koch

    $199.95
    HK German MP5 30 Round Magazine Laser Etched LEO Markings This is a Like New H&K German MP5 9mm 30-round magazine in excellent condition. All MP5 magazines are police department trade-in items featuring laser-etched LEO/Restricted markings. These...
    HKP-20517
    $199.95
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  • New - SB Tactical - HK MP5 Brace with HKP Adapter - Skeletonized - HKP-21055 HK MP5 Brace and HKP Adapter - Skeletonized
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    HK MP5 Brace and HKP Adapter - Skeletonized

    HKP HK Parts / SB Tactical

    $299.95
    SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling...
    HKP-21055
    $299.95
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  • On Sale
    New - PTR HK G3/91 Tapered Barrel - Threaded 5/8x24 - HKP-19472 HK91, G3 Tapered Barrel - 16" - Threaded 5/8x24 RH
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    HK91, G3 Tapered Barrel - 16" - Threaded 5/8x24 RH

    PTR

    Now: $188.95
    Was: $229.95
    PTR HK G3/91 Tapered Barrel - Threaded 5/8x24 PTR manufactured US made barrel for the HK91, G3 & PTR style of firearms. This 16" barrel will allow you to add a threaded flash hider that is threaded 5/8x24 US threads. Specifications: Overall Length...
    HKP-19472
    Now: $188.95
    Was: $229.95
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    Now: $188.95
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  • New - HK .45 ACP Barrel Bore Cleaning Brush - HKP-02757
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    Barrel Bore Cleaning Brush - .45 ACP

    USA

    $1.95
    HK .45 ACP Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting...
    HKP-02757
    $1.95
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    $1.95
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