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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  • On Sale
    Used - CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED - HKP-99054 CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED
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    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED

    Simunition

    Now: $269.95
    Was: $319.95
    CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED   SHADES OF BLUE MAY VARY   The CQT FX Simunition conversion kit is in good  condition and comes with original factory packaging. This is your chance to grab one of the last...
    HKP-99054
    Now: $269.95
    Was: $319.95
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    Now: $269.95
    Was: $319.95
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  • On Sale
    Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - USED - BLEMISHED - HKP-19887-B HK91, G3, PTR .308 Magazine - 10 Round - BLEMISHED
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    HK91, G3, PTR .308 Magazine - 10 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $39.95
    Was: $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - USED - BLEMISHED   INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each HK magazine is...
    HKP-19887-B
    Now: $39.95
    Was: $64.95
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    Now: $39.95
    Was: $64.95
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  • New - B&T Blast Deflector with Glass Breaker - Rotex IIA Interface - HKP-21776 B&T Blast Deflector - Rotex IIA Interface - Glass Breaker
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    B&T Blast Deflector - Rotex IIA Interface - Glass Breaker

    B&T Brugger & Thomet

    $280.00
    B&T Blast Deflector with Glass Breaker - Rotex IIA Interface B&T blast deflector with glass breaker features a Rotex IIA Interface, designed to work with non-Pro APC223 and APC308 muzzle devices.  Compatible With: B&T APC223...
    HKP-21776
    $280.00
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    $280.00
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  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Small - HKP-21389 HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21389
    $24.99
    Out Of Stock
    Qty in Cart: 0
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    $24.99
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  • New - H&K MR556 Slimline Barrel, 16.5" - HKP-21322 HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline
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    HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline

    H&K Heckler & Koch

    $489.95
    H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel.  Non-chrome-lined for match accuracy. Compatible With: HK MR556
    HKP-21322
    $489.95
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    $489.95
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  • New - Strike Universal Picatinny - Dual Folding Adapter - Stock - HKP-21306 HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny
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    HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny

    Strike Industries

    $199.95
    Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...
    HKP-21306
    $199.95
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    $199.95
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  • New - HKP V51 Fixed Stock - USA - HKP-21269 Vector Arms V51 Fixed Stock - USA
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    Vector Arms V51 Fixed Stock - USA

    HKP HK Parts

    $289.95
    HKP Vector Arms V51 Fixed Stock - USA Fixed A2-style stock assembly configured for the Vector V51 platform. Built using a PTR A2 stock section paired with an HKP V51-specific backplate, converted with the correct rear-collapsible rod and fitted with a...
    HKP-21269
    $289.95
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    $289.95
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  • New - HKP - HK MP5 Folding Brace/Stock Adapter - HKP-21217 HK MP5 Stock or Brace Adapter - Folding
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    HK MP5 Stock or Brace Adapter - Folding

    HKP HK Parts

    $149.95
    HKP - HK MP5 Folding Brace/Stock Adapter Our HK Parts brace adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...
    HKP-21217
    $149.95
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    $149.95
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  • On Sale
    HKP HK Parts HK SP5 Quick Detach End Cap New - HKP QD End Cap with Buffer - SP5 - HKP-20757
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    HK SP5 End Cap with Buffer - QD

    HKP HK Parts

    Now: $59.95
    Was: $99.95
    HKP HK Parts Quick Detach End Cap for HK SP5 With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft grade aluminum and...
    HKP-20757
    Now: $59.95
    Was: $99.95
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    Now: $59.95
    Was: $99.95
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  • New - HKP Single Point Leather Sling - Brown - HKP-20161 HK Single Point Leather Sling - Brown
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    HK Single Point Leather Sling - Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20161
    $49.95
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    $49.95
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  • Used - H&K HK SL8-1 Incomplete Locking Lever - HKP-16367 HK SL8-1 Locking Lever Housing - Incomplete
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    HK SL8-1 Locking Lever Housing - Incomplete

    H&K Heckler & Koch

    $9.95
    H&K HK SL8-1 Incomplete Locking Lever
    HKP-16367
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring - HKP-01865

    HK G36, UMP, USC, SL8 Lower Compression Spring

    H&K Heckler & Koch

    $7.95
    HK G36, SL8, USC, & UMP Compression Spring For Index Plate - Lower  
    HKP-01865
    $7.95
    Out Of Stock
    Qty in Cart: 0
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    $7.95
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