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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Out Of StockOn Sale
HK MP5 Gen 1 Handguard Weapon Light - Used
B&T Brugger & Thomet
Now: $244.95Was: $399.95B&T HK MP5 Gen 1 Handguard Weapon Light - Used B&T model TL99 LED light handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical light. Specifications:HKP-19606Now: $244.95Was: $399.95
HK MP7A1, MP7A2 Magazine Loader
H&K Heckler & Koch
$84.95Heckler and Koch HK MP7A1, MP7A2 Magazine Loader New factory HK German magazine loader for the MP7. Correct OEM tool for loading MP7 magazines. Compatible With: MP7A1HKP-18848$84.95
HK PSG1 Buttstock Spacer Tube
H&K Heckler & Koch
$27.95H&K PSG1 Stock Spacer Tube This is the longer of the two bars that goes towards the rear of the stock. No longer in production.HKP-16986$27.95On Sale
HK MR556, MR762 H-Key 11 Rail Segment
HKP HK Parts
Now: $22.28Was: $34.95HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being...HKP-17845Now: $22.28Was: $34.95
HK416, MR556, HK417, MR762 Brass Catcher
H&K Heckler & Koch
$595.95HK 416, MR556 Brass Catcher The HK factory German brass catcher attaches quickly to firearms featuring a factory spec. Picatinny tri or quad rail. Designed specifically for HK firearms with factory...HKP-18046$595.95
HK416 Gas Block - Vented
H&K Heckler & Koch
$249.95Heckler and Koch German HK416 and HK MR556 14.5" & 16.5" & 20" Gas Block CompleteHKP-01544$249.95
HK G36 Bolt Carrier
GSG9
$496.95HK G36 Bolt Carrier with Handle Compatible With: G36 G36K G36C Will NOT work with a HK SL8HKP-18984$496.95
HK G36 Disconnector Spring - 2 Round Burst
H&K Heckler & Koch
$9.95HK German G36 2 Round Burst Disconnector Spring For All HK Burst G36 Burst LowersHKP-12703$9.95On Sale
HK UMP, USC Stock Block C
HDPS
Now: $101.97Was: $159.95HDPS HK UMP & USC Stock Block C Each unit comes with a new push-pin design. This is the part to use with the ACE hinge part number FSM-TB (push button folding stock) and non-folding push bottom (pig...HKP-02613Now: $101.97Was: $159.95Out Of Stock
HK UMP45 Bolt Group
$369.95HK UMP .45 Tungsten Filled Semi Auto Bolt Group Complete. The semi auto bolt group is required for HK USC to HK UMP caliber conversions. Comes complete less the recoil assembly. Specifications:HKP-18751$369.95
HK91, G3 Navy Style Trigger Group (SEF) - Used Good
H&K Heckler & Koch
$354.95H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good These are pulled from German military HK G3 rifles. These work great as spares or for collectible items. These are used but in good...HKP-00930$354.95On Sale
HK33K Barrel - 300 BLK - 12.5" - Threaded 5/8x24
RCM
Now: $149.78Was: $234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also...HKP-16952Now: $149.78Was: $234.95