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 AR-15 Commercial Buffer Tube Kit - HKP-02736 HKP AR-15 Commercial Buffer Tube Kit HKP HK Parts HKP-02736
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    HK416, MR556, AR-15 Commercial Buffer Tube Kit

    HKP HK Parts

    $47.95
    AR-15 Commercial Buffer Tube Kit Compatible With: HK MR556 & 416  All AR-15 style platforms  Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized...
    HKP-02736
    $47.95
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  • HK G36C Apparel - Hats, Patches, and Shirts HK G36C Apparel - Hats, Patches, and Shirts
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    HK G36C Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK G36C Apparel and Patch Collection  Represent your platform with the HK Parts G36C Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22456-M
    $0.00
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  • HK33, HK93 Buttstock - A2 - Black HK33, HK93 Buttstock - A2 - Black
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    HK33, HK93 Buttstock - A2 - Black

    $74.95
    Malaysian Contract Black A2 Stock for HK33, HK93 Malaysian contract black A2 fixed stock for HK33 or HK93 pattern rifles. Ideal as a correct-style replacement stock or to give your 5.56 roller-lock build a classic fixed-stock profile. Compatible...
    HKP-22428
    $74.95
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  • HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
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    HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny

    MI Midwest Industries

    $119.95
    Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting...
    HKP-22397
    $119.95
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  • ACR Folding Stock - Telescopic 7 Position - Picatinny Rail ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
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    ACR Folding Stock - Telescopic 7 Position - Picatinny Rail

    F5 MFG

    $249.95
    F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm. Features: 7-position...
    HKP-22280-M
    $249.95
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  • Used - H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - HKP-22212 HK G36 30 Round Magazine - LEO Marked - USED
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    HK G36 30 Round Magazine - LEO Marked - USED

    H&K Heckler & Koch

    $195.99
    H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED CONDITION VARIES BY UNIT - SOLD INDIVIDUALLY HK German 30-round magazine, LEO marked, designed to perfectly fit all G36, G36K, G36C variants, and converted SL8's with the G36 magwell...
    HKP-22212
    $195.99
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  • Out Of Stock
    New - H&K 416/417 Battle Grip w/ Tool - Black - HKP-22208 HK416, MR556, HK417, MR762 Pistol Grip - Tool Included - Black

    HK416, MR556, HK417, MR762 Pistol Grip - Tool Included - Black

    H&K Heckler & Koch

    $159.95
    HK Heckler and Koch's Pistol Grip with tool - Black Factory German pistol grip in black.  Compatible With: HK416 HK MR556 HK417 HK MR762 HK M27 HK G28 AR-15, M4, & M16 Platforms  
    HKP-22208
    $159.95
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  • New - HK MP5K Magpul UCS Stock with Adapter - HKP-22198 HK MP5K Ultra Carbine Stock and Adapter
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    HK MP5K Ultra Carbine Stock and Adapter

    HKP HK Parts / Magpul

    $312.95
    HK MP5K Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5K pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...
    HKP-22198
    $312.95
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  • New - SB Tactical SBA3 5 Position Adjustable Stabilizing Brace - HKP-21927 SBA3 5 Position Adjustable Stabilizing Brace
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    SBA3 5 Position Adjustable Stabilizing Brace

    SB Tactical

    $109.95
    SB Tactical SBA3 5 Position Adjustable Stabilizing Brace The SBA3™ is a minimalist, 5-position adjustable stabilizing brace designed for platforms that accept a mil-spec carbine receiver extension (not included). It features an integral...
    HKP-21927
    $109.95
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  • New - H&K HK G3/HK 91 Muzzle Protector Cap - HKP-21892 HK91, G3 Muzzle Protector Cap
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    HK91, G3 Muzzle Protector Cap

    H&K Heckler & Koch

    $8.95
    Heckler and Koch Muzzle Protector Cap for your HK91 and HK G3  Genuine HK muzzle cap designed to keep debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with the cap installed. Standard...
    HKP-21892
    $8.95
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  • Out Of Stock
    New - B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm - HKP-21857-M Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2

    Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2

    B&T Brugger & Thomet

    $737.95
    B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm The Aimpoint Acro P-2, paired with the B&T Skeleton Mount (39mm), takes the ACRO reflex sight to new heights in durability and reliability. It's fully enclosed design protects against rain, mud...
    HKP-21857-M
    $737.95
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  • New - B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters - HKP-21725 B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
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    B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Brugger & Thomet

    $90.00
    B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic brace into a proper stock (NFA rules apply). The kit...
    HKP-21725
    $90.00
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    $90.00
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