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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    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
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    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring

    MKE

    Now: $16.95
    Was: $19.95
    MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...
    HKP-99344
    Now: $16.95
    Was: $19.95
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    Now: $16.95
    Was: $19.95
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  • New - Choate HK 91/G3 (7.62x51/.308) Folding Stock Replacement Buffer - HKP-00211
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    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
    HKP-00211
    $3.95
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    $3.95
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  • New - H&K MP5 40/10 Ejector Lever - HKP-00412 HK MP5 Ejector Lever - .40 S&W, 10mm
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    HK MP5 Ejector Lever - .40 S&W, 10mm

    H&K Heckler & Koch

    $38.74
    H&K Heckler and Koch German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time...
    HKP-00412
    $38.74
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  • Out Of Stock
    New - DTAC MP5, HK94 Modular Handguard-M-LOK - HKP-17806

    HK MP5, HK94 Modular Handguard-M-LOK

    DTAC Dakota Tactical

    $165.95
    DTAC MP5, HK94 Modular Handguard - M-LOK Features: Made in the USA (922r compliant part) M-LOK accessory compatible 11 ergonomically placed full-slots and 5 half-slots yielding 22 possible accessory locations for maximum versatility Exclusive...
    HKP-17806
    $165.95
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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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    HK91, G3 Grip Housing - SEF - Clipped and Pinned- Polymer - USED

    H&K Heckler & Koch

    $79.95
    H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned This German 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...
    HKP-00722
    $79.95
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    $79.95
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  • New - Franklin Armory / HKP HK MP5 Trigger Group – 2 Round Engraved Binary Housing - HKP-20969-M HK MP5 Trigger Group – 2 Round Engraved Binary Housing
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    HK MP5 Trigger Group – 2 Round Engraved Binary Housing

    HKP HK Parts / FA Franklin Armory

    $1,299.95
    Franklin Armory BFSIII HK-C1/HKP MP5 Trigger Group – 2 Round Engraved Binary Housing - Clipped & Pinned 3 Position, 2 round burst style engraved pictograph – HK binary trigger group. Our latest and greatest Binary trigger group freshly...
    HKP-20969-M
    $1,299.95
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    $1,299.95
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  • Out Of Stock
    New - B&T Short Style Quick Detach Vertical Grip - Coyote Tan - HKP-18041

    B&T Vertical Foregrip - Short Style - Quick Detach - Coyote Tan

    B&T Brugger & Thomet

    $75.00
    B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...
    HKP-18041
    $75.00
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    $75.00
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  • New - H&K G3 Buffer Screw Locking Washer - HKP-16983
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    HK G3 Buffer Screw Locking Washer

    H&K Heckler & Koch

    $0.95
    HK G3 Buffer Screw Locking Washer Used in good, working conditon.
    HKP-16983
    $0.95
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    $0.95
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  • Used - H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus - HKP-17855 HK91, G3 Magazine Release - Anti-Rattle - Surplus
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    HK91, G3 Magazine Release - Anti-Rattle - Surplus

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Anti-Rattle Mag Release from Surplus for HK G3, HK91, PTR, HK33, HK53, HK93 Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK Rifles caliber .223 and .308. This is the...
    HKP-17855
    $24.95
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    $24.95
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  • New - HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH - HKP-17977 Thread Protector - 9mm - Enhanced - 1/2x28 RH
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    Thread Protector - 9mm - Enhanced - 1/2x28 RH

    HKP HK Parts

    $19.95 - $29.95
    HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH   This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel...
    HKP-17977-M
    $19.95 - $29.95
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  • New - H&K HK MR556/416 Mil-Spec German E1 Rear Stock - Black - HKP-00052 HK416, MR556 E1 Buttstock - Mil-Spec German
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    HK416, MR556 E1 Buttstock - Mil-Spec German

    H&K Heckler & Koch

    $222.95
    H&K Heckler and Koch Mil-Spec German E1 Stock for HK416 and HK MR556 The HK E1 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4, AR15-type weapons. Each stock comes with the convex buttpad as found on factory-issued HK 416s...
    HKP-00052
    $222.95
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    $222.95
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  • Out Of Stock
    New - B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug - HKP-16898 HK MP5, MP5K, APC Muzzle Brake - Quick Detach - 3 Lug - 9mm

    HK MP5, MP5K, APC Muzzle Brake - Quick Detach - 3 Lug - 9mm

    B&T Brugger & Thomet

    $140.00
    B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug B&T Swiss manufactured QD muzzle brake for HK tr-lug pattern firearms. Specifications: Diameter 31 mm Length 73 mm Steel QPQ Treated Quick Detach Compatible With:  HK MP5, MP5K HK SP5,...
    HKP-16898
    $140.00
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    $140.00
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