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 HK MP5 Raised Aimpoint Acro Optic Mount - HKP-21666 HK MP5 Optic Mount - Raised Aimpoint Acro
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    HK MP5 Optic Mount - Raised Aimpoint Acro

    HKP HK Parts

    $134.95
    HKP HK MP5 Raised Aimpoint Acro Optic Mount HK Parts brings you one of the most requested optic mounts for the MP5 platform. An elevated design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...
    HKP-21666
    $134.95
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    $134.95
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  • New - HKP HK MP5 Picatinny Rail Brace/Stock Adapter - HKP-21426 HK MP5 Stock or Brace Adapter - Picatinny Rail
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    HK MP5 Stock or Brace Adapter - Picatinny Rail

    HKP HK Parts

    $119.95
    HKP HK MP5 Picatinny Rail Brace/Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock or brace to your MP5. The 1913 style stocks & braces lock in place and provide a better cheek weld hieght option than many traditional...
    HKP-21426
    $119.95
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    $119.95
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  • New - H&K HK G36, HK SL8 Ambidextrous Sling Pin - HKP-00619
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    HK G36, SL8 Ambidextrous Sling Pin

    H&K Heckler & Koch

    $49.95
    HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.
    HKP-00619
    $49.95
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    $49.95
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  • New - XS Sight Systems Trituim Front Night Sight 90 Series Standard Dot - HKP-19602 HK90 Series Front Night Sight - Tritium - Standard Dot
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    HK90 Series Front Night Sight - Tritium - Standard Dot

    XS Sights

    $92.95
    XS Sights Tritium Night Sight  - Standard Dot Standard Dot front sights use a patent-pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium. Green is a great option for low light and has a very...
    HKP-19602
    $92.95
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    $92.95
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  • New - HKP MP5 9mm Barrel Extension - HKP-18000
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    HK MP5 Barrel Extension - 9mm

    HKP HK Parts

    $49.95
    HKP MP5 9mm Barrel Extension The MP5 3-lug barrel extension functions as a fake suppressor to give the standard 8.85" barrel an overall length of 16" for rifle builds.  The extension slips over the tri-lug adapter and is pinned into place by a...
    HKP-18000
    $49.95
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  • New - B&T MP5SD 9mm Tri- Rail Mount For Suppressor - HKP-16880 HK MP5SD Tri- Rail Mount for Suppressor - 9mm
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    HK MP5SD Tri- Rail Mount for Suppressor - 9mm

    B&T Brugger & Thomet

    $158.95
    B&T MP5SD 9mm Tri- Rail Mount for Suppressor Can accommodate suppressors up to 1.60 inches in overall diameter. Specifications: Color: Black Diameter max: 57.5 mm Length max: 44.5 mm Length of right rail: 30 mm Length of left rail: 30 mm Length of...
    HKP-16880
    $158.95
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  • On Sale
    Used - H&K German Bayonet Adapter With Hardware - USED - BLEMISHED - HKP-00021-B HK Bayonet Adapter - W/O Screw and Hardware - German - USED
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    HK Bayonet Adapter - W/O Screw and Hardware - German - USED

    H&K Heckler & Koch

    Now: $109.95
    Was: $149.95
    H&K German Bayonet Adapter - W/O Screw & Hardware - USED   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. DOES NOT COME WITH HARDWARE HK German Bayonet Adapter W/O Screw...
    HKP-00021-USED
    Now: $109.95
    Was: $149.95
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    Now: $109.95
    Was: $149.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - LIKE NEW - HKP-21477 HK 91, G3 Handguard - Slimline Style - OD Green - LIKE NEW
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    HK 91, G3 Handguard - Slimline Style - OD Green - LIKE NEW

    H&K Heckler & Koch

    $24.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - LIKE NEW Like new German military surplus O.D. green slimline forearm with heat shield. For use on standard contour barrels not the thicker barrel profiles. Compatible With: HK G3 HK 91 HK PTR...
    HKP-21477
    $24.95
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    $24.95
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  • New - HKP G3/33/91/93 Bipod Replacement Feet Set - Steel - HKP-21310 HKP G3/33/91/93 Bipod Replacement Feet Set - Steel
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    HKP G3/33/91/93 Bipod Replacement Feet Set - Steel

    HKP HK Parts

    $18.95
    HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods.  Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods. Each kit includes a left and right bipod foot...
    HKP-21310
    $18.95
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    $18.95
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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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    $299.95
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  • New - Trijicon, HKP HK MP5 6.5 MOA / Optic Mount Bundle - Black - HKP-20734 HK MP5, SP5K Optic Mount - Trijicon RMR - 6.5 MOA
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    HK MP5, SP5K Optic Mount - Trijicon RMR - 6.5 MOA

    Trijicon

    $619.95
    RMR Optic Mount - Bundle - HK MP5 Includes:  (1)Trijicon RMR Type 2 Red Dot Sight 6.5 MOA Red Dot, Adjustable LED (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes the...
    HKP-20734
    $619.95
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    $619.95
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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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