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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HKP HK 21 (7.62x51/.308) Feed Mechanism Latch Lever
Michaels Machines
$69.95HK21 Feed Mechanism Latch Lever$69.95 -
On Sale
HK Mark 23 Hammer
H&K Heckler & Koch
Now: $71.95Was: $79.95HK Mark 23 Hammer Factory new hammer for the Mark 23 or SOCOM pistol.Now: $71.95Was: $79.95 -
On Sale
HK PSG1, MSG90 Ejector Lever
H&K Heckler & Koch
Now: $71.95Was: $79.95Heckler and Koch Ejector Lever for HK PSG1, MSG90 German-made ejector lever for PSG1 and MSG90 platforms. Direct replacement part built to original factory-spec for reliable extraction and correct bolt head function. Compatible With: PSG1, MSG90Now: $71.95Was: $79.95 -
On Sale
HK VP9, HK VP40 Locking Block Guide
H&K Heckler & Koch
Now: $107.95Was: $119.95H&K HK VP9, HK VP40 Locking Block Guide Locking Block Guide complete/welded for all VP9 & VP40 frames. Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP40Now: $107.95Was: $119.95 -
On Sale
HK P7, P9 Firing Pin
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K Firing Pin 9mm Short/7.65mm - HK P7/P9 Ensures reliable ignition by striking the cartridge primer during firing. Compatible With: HK P7/P9Now: $71.95Was: $79.95 -
On Sale
HK G36, SL8 Sling, Bipod Eye Bolt
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models. Steel construction with a durable black finish. Installs easily into the forward portion of the handguard to provide a secure...Now: $71.95Was: $79.95 -
On Sale
HK45, HK45 Compact, HK USP, USP Compact LEM Cocking Piece
H&K Heckler & Koch
Now: $62.96Was: $69.95HK USP/USPC/45/45C LEM Cocking Piece Compatible With All The Following LEM Models: USP Full Size USP Compacts HK45C HK45Now: $62.96Was: $69.95 -
On Sale
HK417, MR762A4 Magazine Catch
H&K Heckler & Koch
Now: $89.95Was: $99.95H&K MR762 A4/417 Magazine Catch German-made magazine catch for MR762 A4 and HK417. Compatible With: HK MR762 A1/A4 HK417Now: $89.95Was: $99.95 -
On Sale
HK45, HK45 Compact, USP V5 Complete Bobbed Hammer DAO
H&K Heckler & Koch
Now: $62.06Was: $68.95Complete Bobbed Hammer DAO Compatible With These Variants 5, 6, 7: USP 45 ACP USP Compact 9mm USP Compact 40 S&W USP Compact 357 SIG USP Compact 45 ACP HK45 HK45 CompactNow: $62.06Was: $68.95 -
On Sale
HK VP Anti-Skid Slide Release Lever - Left
H&K Heckler & Koch
Now: $61.16Was: $74.95H&K VP Anti-Skid Slide Release Lever - Left Left side extended slide release lever. Can be combined with 260498, 50254710, 50239708. Compatible with: VP9 VP9L VP9 Match VP9 Tactical VP9SK VP9A1 VP40Now: $61.16Was: $74.95 -
On Sale
HK Mark 23 Sear
H&K Heckler & Koch
Now: $85.45Was: $94.95HK Mark 23 Sear Factory HK replacement sear for the Mark 23 pistol.Now: $85.45Was: $94.95 -
On Sale
HK VP9, VP40 Slide Release Lever - Anti-Skid - Right
H&K Heckler & Koch
Now: $61.16Was: $67.95H&K VP Anti-Skid Slide Release Lever - Right Right side extended slide release lever. Can be combined with 260431, 50254706, 50239395. Compatible with: VP9 VP9L VP9 Match VP9 Tactical VP9SK VP9A1 VP40Now: $61.16Was: $67.95