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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On Sale
HK417, MR762 Gas Block Pin
H&K Heckler & Koch
Now: $6.95Was: $7.95H&K HK MR762/417 Gas Block Pin This is the retaining pin for an HK MR762 gas block. A must have as HK says you have to use new pins once they are removed. Compatible With: HK MR762 HK 417HKP-16596Now: $6.95Was: $7.95 -
On Sale
HK45, HK45 Compact, USP, USPC Sear Roll Pin
H&K Heckler & Koch
Now: $4.95Was: $5.95Sear Roll Pin HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK45 HK45 CompactHKP-01815Now: $4.95Was: $5.95 -
On Sale
HK USP Compact V1, V5, V9 Control Lever
H&K Heckler & Koch
Now: $39.95Was: $43.95H&K HK USPC V1/5/9 Control Lever This is the lever for the de-cock and safety functions for right-hand shooters (left side of frame). This lever will provide the safety and decock function if you have a Var 1,2 detent installed. This is the most...HKP-01412Now: $39.95Was: $43.95 -
On Sale
HK416, MR556, HK417, MR762 Bridge
H&K Heckler & Koch
Now: $22.95Was: $24.95Heckler and Koch HK416, HK MR556, HK417, and MR762 Bridge For Lowers Compatible With: HK416, MR556 HK417, MR762HKP-02676Now: $22.95Was: $24.95 -
On Sale
HK MP5, HK94, SP5 Magazine Spring - 20 Round
HKP HK Parts
Now: $5.95Was: $6.9520 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.HKP-20687Now: $5.95Was: $6.95 -
On Sale
HK VP9, VP9SK, VP40 Sear Release Catch
H&K Heckler & Koch
Now: $6.95Was: $7.95Sear Release Catch HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40HKP-16798Now: $6.95Was: $7.95 -
HK416, MR556 Bolt Carrier Roll Pin
H&K Heckler & Koch
$6.95H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416HKP-16847$6.95 -
On Sale
HK33, HK53, HK93 Firing Pin - Titanium
HKP HK Parts
Now: $44.95Was: $49.95HK93, 33, 53 Firing Pin - Titanium A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK 93, HK33 & HK53 weapon system. Get the lightest, strongest firing pin available for your HK firearm. Ideal for...HKP-17769Now: $44.95Was: $49.95 -
On Sale
HK P7M10, P7M13 Retaining Pin
H&K Heckler & Koch
Now: $4.45Was: $4.95H&K HK P7M10/P7M13 Retaining PinHKP-16436Now: $4.45Was: $4.95 -
On Sale
HK USP, USP Compact .45 ACP New Style Extractor
H&K Heckler & Koch
Now: $53.95Was: $59.95New Style Extractor New HK German part with red loaded chamber indicator. Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP ExpertHKP-01478Now: $53.95Was: $59.95 -
On Sale
HK416, MR556, MR762 Fire Control Detent Stop Pin
H&K Heckler & Koch
Now: $18.95Was: $20.95H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416 HK MR762HKP-15272Now: $18.95Was: $20.95 -
On Sale
HK MP5, HK90 Series Trigger Spring - SEF, Navy
MKE
Now: $2.45Was: $8.95MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...HKP-22225Now: $2.45Was: $8.95