Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
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HK VP9, VP9SK, VP40 Sear Release Catch Cylindrical Pin
H&K Heckler & Koch
$6.95Cylindrical Pin For Sear Release Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40HKP-16803$6.95 -
HK USP Lanyard Loop Insert Pin
H&K Heckler & Koch
$19.95HK USP Lanyard Loop Insert Pin Compatible With: HK USP 9mm HK USP 40 HK USP 45HKP-01930$19.95 -
HK416, MR556 Extractor
H&K Heckler & Koch
$64.95HK 416 & MR556 Bolt Head Extractor New HK - German Compatible With: HK MR556 HK 416 CR556 HK M27HKP-00036$64.95 -
HK416, MR556 Ejector For Bolt Head
H&K Heckler & Koch
$23.95H&K HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible With: HK MR556 HK 416HKP-00037$23.95 -
HK G36, SL8 Cocking Handle
H&K Heckler & Koch
$55.95HK Cocking Handle For G36 & SL8 Bolt CarriersHKP-01853$55.95 -
HK417, MR762, G28 Firing Pin
H&K Heckler & Koch
$64.95H&K HK MR762/417/G28 Firing Pin This firing pin is a must have wear and tear replacement item for your MR762 or HK 417 Firearm. Compatible With: MR762 HK 417 G28HKP-16613$64.95 -
HK G36, SL8, HK417, MR762 Bolt Head Ejector
H&K Heckler & Koch
$19.95H&K HK G36/SL8/MR762/417 Bolt Head Ejector Compatible With: HK MR762 HK 417 HK G36 HK SL8HKP-01868$19.95 -
HK MP5 Locking Roller +2 - .40 S&W
HKP HK Parts
$11.95HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the...HKP-17564$11.95 -
HK MP5K, HK90 Series Burst Trigger Sear Complete
H&K Heckler & Koch
$59.95Heckler & Koch's Sear Catch for HK90 Series and HK MP5K - Steel - German For Burst Trigger Packs Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2HKP-17028$59.95 -
HK P7M8, P7M10, P7M13 Roll Pin - Gas Piston
H&K Heckler & Koch
$5.95Piston Roll Pin Compatible With: P7M8 P7M10 P7M13HKP-01399$5.95 -
HK MP5 Locking Roller +6 - .40 S&W
HKP HK Parts
$11.95HK US MP540 Locking Roller, +6 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to...HKP-17565$11.95 -
HK91, G3 Magazine Release Set, Complete - USED
H&K Heckler & Koch
$24.95Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 This HK German manufactured, used magazine release set for HK .308 pattern rifles consists of 6 pieces. Complete left-to-right mag catch assembly with both push-button and paddle...HKP-22466$24.95