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 Stock
HK33, HK53, HK93 Magazine Spring - 25 Round
H&K Heckler & Koch
$11.95HK 93, 33, & 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.HKP-00483$11.95 -
HK MP5 Flash Hider - 3 Lug - .40 S&W, 10mm
H&K Heckler & Koch
$199.99HK Heckler and Koch's Flash Hider with 3-Lug Connection Fits all factory in-spec 3 Lug MP5 40,10 Barrels. Specifications: Made In Germany 3-Lug Compatible With: MP5HKP-00442$199.99 -
HK MP5, HK33, HK53, HK93, Stock or Brace Adapter - AR15 - QD Sling Point
HKP HK Parts
$159.95HKP MP5, 93/53/33, AR Brace/Stock Adapter - QD Sling Attachment Point Each AR-15 stock/brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct "H" buffer...HKP-18788$159.95 -
HK417, MR762 Magazine - 5 Round
H&K Heckler & Koch
$78.95H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417. Compatible With: MR762 HK417HKP-22013$78.95 -
HK MR762 A4 Gas Vent Screw - 1.0mm-2.5mm
H&K Heckler & Koch
$29.95Heckler and Koch MR762 A4 Gas Vent Screws German gas vent screw for MR762 A4 gas block. Specifications: Factory reference: 1.3mm is the common factory vent screw size for MR556 A4 Sizing reminder: Larger mm equals more venting, Smaller mm...HKP-21954-M$29.95 -
Out Of StockOn Sale
HK21 Drum Hanger
HKP HK Parts
Now: $164.95Was: $195.95HKP HK21 Drum Hanger Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and parkerized for a durable finish. A lower cost alternative to the discontinued factory hanger, the HK Parts drum hanger is built for...HKP-21453Now: $164.95Was: $195.95 -
HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
HKP HK Parts
$98.95HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...HKP-21236$98.95 -
Out Of Stock
Picatinny Rail Cover - 45mm
H&K Heckler & Koch
$14.95H&K 45mm Picatinny Rail Cover - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applicationsHKP-18857$14.95 -
HK MP5 Magazine Spring - .22LR - 10 Round
HKP HK Parts
$3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...HKP-20297$3.95 -
HK SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED
H&K Heckler & Koch
$89.95H&K SP5 Spec Only 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. It will have some nicks but overall this house is in good working condition. For use with SEF style trigger packs. This will not work with...HKP-19488$89.95 -
Out Of Stock
HK G36 Backplate - Recoil Buffer - US
USA
$44.95HK G36 Backplate With Recoil Buffer New G36 Backplate with new G36/SL8 recoil buffer. This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix...HKP-18538$44.95 -
HK33, HK53, HK93 Firing Pin - Stainless Steel
HKP HK Parts
$24.95HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33HKP-17798$24.95