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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK416, MR556 Free Floating Handguard - 14.5" - M-LOK - Super Modular
Geissele
$549.95Geissele MK15 Free Floating M-LOK Handguard for HK416 and MR556 - 14.5" - Desert Dirt Color Geissele Automatics MK15 free float handguard for HK416 and MR556 platforms. Designed as a direct-fit upgrade for compatible rifles, it provides a rigid mounting...HKP-22853$549.95 -
On Sale
HK UMP, USC Picatinny Rail Set - 4 Piece - BLEMISHED
USA
Now: $87.95Was: $149.95HK UMP, USC Picatinny Rail Set - 4 Piece - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. A complete set of rails for your HK UMP/USC featuring an...HKP-99494Now: $87.95Was: $149.95 -
On Sale
HK Roller Retainer Spring - Action 3 - BLEMISHED
H&K Heckler & Koch
Now: $4.95Was: $6.74HK Roller Retainer Spring - Action 3 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Second-generation roller holder. Each retainer...HKP-00068-BNow: $4.95Was: $6.74 -
On Sale
HK416, HK417, G3, HK33, G36 Flash Hider - Threaded 15x1 RH - CA/NY Compliant - BLEMISHED
HKP HK Parts
Now: $18.95Was: $24.95HK416, HK417, G3, HK33, G36 Flash Hider - Threaded 15x1 RH - CA/NY Compliant - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED SCRATCHES COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED...HKP-12746-BNow: $18.95Was: $24.95 -
On Sale
B&T Unigrip QD with Bipod - Aluminum - BLEMISHED
B&T Brugger & Thomet
Now: $168.95Was: $224.99B&T Unigrip QD with Bipod - Aluminum - BLEMISHED DINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This B&T foregrip features a...HKP-21596-BL-BNow: $168.95Was: $224.99 -
On Sale
HK MP5K, SP5K Locking Piece #16 - 110 Degree - USED - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $14.95Was: $44.95HK MP5K, SP5K Locking Piece #16 - 110 Degree - USED - GUNSMITH SPECIAL Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. The Condition will vary from part-to-part vs. the pictured...HKP-19769-BNow: $14.95Was: $44.95 -
On Sale
HK 3 Point Factory Sling - USED
H&K Heckler & Koch
Now: $52.95Was: $69.95HK 3 Point Factory Sling - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is...HKP-18428-USEDNow: $52.95Was: $69.95 -
On Sale
HK German Bayonet Adapter Without Hardware - Incomplete - USED
H&K Heckler & Koch
Now: $99.95Was: $159.95HK German Bayonet Adapter Without Hardware - Incomplete - USED SOLD INDIVIDUALLY - VARYING CONDITION SHOWN INCOMPLETE USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. HK German Bayonet...HKP-00021-BNow: $99.95Was: $159.95 -
On Sale
HK Sling Pin - Large - Quick Detach Attachment - USED
HKP HK Parts
Now: $28.95Was: $37.95HK Sling Pin - Large - Quick Detach Attachment - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The...HKP-18070-USEDNow: $28.95Was: $37.95 -
On Sale
HK416, MR556 Buffer Spring - Enhanced - USED
H&K Heckler & Koch
Now: $9.95Was: $23.95HK416, MR556 Buffer Spring - Enhanced - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. The HK MR556/416 buffer spring will also work with other AR-15 and M-16 rifles. It is a high-wear item and a...HKP-00039-USEDNow: $9.95Was: $23.95 -
HK MP5 Extractor Rebuild Kit - 9mm - RCM E Bolt Head
RCM
$64.95RCM Complete Extractor Rebuild Kit for MP5 E Bolt Heads - 9mm Complete extractor rebuild kit for RCM MP5 E bolt heads in 9mm. Made in the USA from steel, this kit is designed to refresh extractor-related wear components on compatible bolt head setups and...HKP-22833$64.95 -
On Sale
HK MP5, HK94, MP5K, SP89 Firing Pin - TiN
HKP HK Parts
Now: $13.95Was: $17.95HKP HK MP5, HK94, MP5K, SP89 Firing Pin - TiN Each part is made using the factory HK material and specifications from original HK German blueprints. Compatible With: MP5, HK94 MP5K, SP89, SP5K MP5 40, 10mm, .357 Sig Zenith, POF, Omega,...HKP-99458Now: $13.95Was: $17.95