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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Out Of Stock
HK416, MR556, HK417, MR762 Pistol Grip Screw
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK MR556 HK416 HK MR762 HK417HKP-02679$9.95 -
On Sale
HK91, G3 Magazine Catch
H&K Heckler & Koch
Now: $17.95Was: $19.95Heckler and Koch Magazine Catch for HK G3 and HK91 High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK91, G3 PTR91HKP-02073Now: $17.95Was: $19.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics
USA
$5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-20894$5.95 -
On Sale
HK G36, SL8 Firing Pin - All Variants
H&K Heckler & Koch
Now: $53.95Was: $59.95HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8HKP-00289Now: $53.95Was: $59.95 -
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
HK33, HK53, HK93 Firing Pin
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K 93, 53, & 33 (5.56/.223) Firing Pin This is the factory-correct HK German firing pin and is a great replacement part. This is also a great upgrade for your HK 223.556 clones. This part is no longer available from HK as this part is out of...HKP-00192Now: $71.95Was: $79.95 -
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