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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HK416, MR556 Slim Line Buttstock
H&K Heckler & Koch
$97.95H&K HK MR556/416 Slim Line Retractable Stock New from HK Germany the slim line retractable stock fits all commercial & mil-spec AR-15/M16 buffer tubes. Marked with the HK logo and issued on specialized HK 416, MR556 rifles. Compatible...$97.95 -
On Sale
HK UMP .45 ACP 15 Round Magazine
HKP HK Parts
Now: $39.96Was: $49.95UMP, SMG .45 ACP 15 Round Magazine - USA Compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber converted firearms. Each magazine features, steel feed lips, and robust polymer construction. Each mag...Now: $39.96Was: $49.95 -
On Sale
HK End Cap - Cocking Tube - Aluminum
HKP HK Parts
Now: $11.96Was: $14.95H&K Cocking Tube End Cap - Aluminum - US Made Made from weight-saving aircraft-grade aluminum alloy. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerNow: $11.96Was: $14.95 -
On Sale
HK33, HK53, HK93, AP53 Magazine - 30 Round - Translucent
MKE
Now: $25.16Was: $27.95MKE HK33, HK53, HK93, AP53 30 Round Translucent Magazine MKE-manufactured 30-round translucent magazine for HK33-pattern rifles. Built to military specifications with a reinforced polymer body for reliable feeding and easy visual round count. Compatible...Now: $25.16Was: $27.95 -
On Sale
KCI 10 Round HK MP5, MP5K - California Compliant Magazine
KCI
Now: $53.06Was: $58.95California Complaint Magazine 10-30 - MP5, MP5K - GEN 2 - KCI USA This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay...Now: $53.06Was: $58.95 -
On Sale
HK91, G3 Rear Sight Assembly
H&K Heckler & Koch
Now: $35.96Was: $39.95HK German G3, 91, PTR Rear Sight Assembly Complete - HK German factory rear sight assembly with all hardware included. We offer the new HK sights at the BEST price in the country. Each set comes complete with all parts and all mounting hardware included...Now: $35.96Was: $39.95 -
On Sale
HK91, G3 SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED This grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. This is truly an affordable upgrade for your...Now: $26.95Was: $29.95 -
On Sale
HK Full Auto Paddle Magazine Release Bushing
H&K Heckler & Koch
Now: $6.25Was: $6.95H&K Full Auto Paddle Magazine Release Bushing - New New HK German paddle magazine release bushing for all 90 series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on semi-auto HK builds. This...Now: $6.25Was: $6.95 -
On Sale
HK416, MR556, HK417, MR762 Pistol Grip with Storage - Black
H&K Heckler & Koch
Now: $44.96Was: $49.95Heckler and Koch's Pistol Grip with Storage - Black New HK German factory battle grip with a storage compartment in the bottom. Each grip will fit all AR-15/M-16 lower receivers as well. It has a superior fit and feel to any other grip on the market...Now: $44.96Was: $49.95 -
On Sale
HK MP5, MP5K Sight Mount, Aimpoint ACRO - P1, P2
HKP HK Parts
Now: $79.16Was: $98.95HKP - HK MP5, MP5K Mount - Sight - Aimpoint ACRO - ACRO P1 & P2 The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness. Crafted in the US from aircraft grade aluminum and...Now: $79.16Was: $98.95 -
On Sale
HK G36, G36C, G36K, SL8 Barrel Wrench
Now: $125.95Was: $139.95Barrel Wrench for HK G36, G36C, G36K, SL8 Barrel wrench designed for all HK G36 and SL8 barrel lengths, from the 9" G36C to the 20" SL8. The tool uses a 3-point contact system for secure engagement and proper torque transfer on the barrel nut. A 3/8"...Now: $125.95Was: $139.95 -
On Sale
HK90 Series Sear and Trigger Axle
H&K Heckler & Koch
Now: $1.79Was: $1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...Now: $1.79Was: $1.99