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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  • Compact Vertical Foregrip With Hand Stop - Picatinny Compact Vertical Foregrip With Hand Stop - Picatinny
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    Compact Vertical Foregrip With Hand Stop - Picatinny

    JMK

    $98.95
    Compact Vertical Foregrip with Hand stop - Picatinny The JMK Vertical Foregrips are ideally suited for applications with restricted space. All grips are precision-machined from black walnut and complemented by a 6061 aircraft-grade aluminum handstop...
    HKP-22411-M
    $98.95
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    $98.95
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  • HKP HK 91/G3 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22251 HKP HK 91/G3 Trigger Group with AC Unity Grip Match Trigger HKP HK Parts HKP-22251
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    HK91, G3 Sniper Trigger Group - AC Unity Grip - Match Trigger

    HKP HK Parts

    $644.85
    HK Parts Trigger Group with AC Unity Grip and Match Trigger for HK91 and HK G3 The HK G3 and HK91 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust...
    HKP-22251
    $644.85
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  • New - H&K HK MR556/416 Enhanced Buffer Tube - Tan - HKP-22086 HK416, MR556 Enhanced Buffer Tube - Tan
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    HK416, MR556 Enhanced Buffer Tube - Tan

    H&K Heckler & Koch

    $192.95
    Tan HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German-manufactured 416 & MR556 latest generation, marine environment & and over-the-beach buffer tube. Each commercial buffer tube features built-in...
    HKP-22086
    $192.95
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    $192.95
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  • New - H&K MR762 A4/417 Magazine Catch - HKP-21961 HK417, MR762A4 Magazine Catch
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    HK417, MR762A4 Magazine Catch

    H&K Heckler & Koch

    $99.95
    Heckler and Koch Magazine Catch for HK417 and HK MR762 German-made magazine catch for HK MR762 A4 and HK417. Compatible With: HK417, MR762 A1, MR762 A4  
    HKP-21961
    $99.95
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    $99.95
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  • New - H&K HK MR762 A4 14.4" QD Handguard - HKP-21936 HK MR762 A4 Handguard - Quick Detach - 14.4"
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    HK MR762 A4 Handguard - Quick Detach - 14.4"

    H&K Heckler & Koch

    $739.95
    Heckler and Koch 14.4" Quick Detach Handguard for HK MR762 A4 Factory HK 14.4" handguard for the MR762 A4. This rail uses the correct HK quick-detach mounting system for fast removal and secure reattachment. Constructed from lightweight, durable aluminum...
    HKP-21936
    $739.95
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  • Out Of Stock
    New - B&T 52mm QD Skeleton Mount for Aimpoint ACRO - HKP-21860 Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO

    Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO

    B&T Brugger & Thomet

    $148.95
    B&T 52mm QD Skeleton Mount for Aimpoint ACRO The B&T QD Skeleton Mount for the Aimpoint ACRO offers a 52mm elevated profile for improved sight alignment. It is ideal for night vision setups that require clearance over forward-mounted IR devices...
    HKP-21860
    $148.95
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  • New - HKP HK G36 Replacement 30 Round Magazine Spring - HKP-21830 HK G36 Magazine Spring - 30 Round
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    HK G36 Magazine Spring - 30 Round

    HKP HK Parts

    $7.95
    HKP HK G36 Replacement 30 Round Magazine Spring A high-quality replacement spring designed to restore optimal performance to your G36 magazine. Built to withstand frequent use, this component ensures smooth feeding and reliable function. Compatible...
    HKP-21830
    $7.95
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  • On Sale
    HK MP5, MP5K Magazine - 30 Round - LEO Marked - TiN Coated - Sterling, VA - BLEMISHED HK MP5, MP5K Magazine - 30 Round - LEO Marked - TiN Coated - Sterling, VA - BLEMISHED
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    HK MP5, MP5K Magazine - 30 Round - LEO Marked - TiN Coated - Sterling, VA - BLEMISHED

    H&K Heckler & Koch

    Now: $117.95
    Was: $159.95
    HK MP5, MP5K Magazine - 30 Round - LEO Marked - TiN Coated - Sterling, VA - BLEMISHED POOR FINISH - OPEN PACKAGING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...
    HKP-21792-TiN-S-B
    Now: $117.95
    Was: $159.95
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    Now: $117.95
    Was: $159.95
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  • New - H&K HK53 Parts Kit - Like New - HKP-21780 HK53 Parts Kit - Like New
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    HK53 Parts Kit - Like New

    H&K Heckler & Koch

    $13,484.95
    H&K HK53 Parts Kit - Like New These HK53 kits are undoubtedly the most pristine kits we have ever come across.  Some of these kits were only test fired at the factory.  Each de-milled kit includes a factory new sling, like-new magazine,...
    HKP-21780
    $13,484.95
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  • Out Of Stock
    New - Michaels Machines HK21E/PSG1/MSG90 Extractor - HKP-21632 HK21E, HK23E, PSG1, PTR Extractor

    HK21E, HK23E, PSG1, PTR Extractor

    Michaels Machines

    $275.95
    Michaels Machines HK21E, HK23E, PSG1, MSG90 Extractor Replacement extractor for HK21E, HK23E, PSG1, and MSG90 bolt heads. Extractors are a known wear item on these platforms and are no longer produced by HK. The Michaels Machines extractor is a precise,...
    HKP-21632
    $275.95
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    $275.95
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  • New - HKP HK UMP 5 Prong Ported Flash Hider - 5/8x24 - HKP-21569 HK UMP 5 Prong Ported Flash Hider - 5/8x24
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    HK UMP 5 Prong Ported Flash Hider - 5/8x24

    HKP HK Parts

    $89.95
    HKP HK UMP 5 Prong Ported Flash Hider - 5/8x24 5-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...
    HKP-21569
    $89.95
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    $89.95
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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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