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 P7 PSP Magazine Catch
H&K Heckler & Koch
$27.95HK P7 PSP Magazine Catch Compatible With: PSPHKP-01344$27.95 -
HK417, MR556, MR762 Index Pin Spring
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/417 Index Pin Spring Compatible With: HK MR556 HK 417 HK MR762HKP-17021$7.95 -
On Sale
HK416, MR556 SS Firing Pin
HKP HK Parts
Now: $26.95Was: $29.95Firing Pin For HK 416 & MR556 Firearm - USA Made from hardened stainless steel and comes new in the white. Compatible With: HK416 HK MR556 HK CR556 HK M27HKP-01756Now: $26.95Was: $29.95 -
On Sale
HK33, HK53, HK93, HK91, G3 Paddle Magazine Release - Anti-Rattle
H&K Heckler & Koch
Now: $58.95Was: $64.95Heckler and Koch Anti Rattle Paddle Magazine Release This item is a new HK German genuine part not used or surplus for installation on all HK .223 and .308 HK rifles. This is the highly desired anti-rattle-style paddle mag release. Compatible...HKP-01126Now: $58.95Was: $64.95 -
Out Of Stock
B&T Telescopic Stock End Cap
B&T Brugger & Thomet
$8.95B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks. Limits the extension of the stock to keep it from sliding out of the guides.HKP-21721$8.95 -
On Sale
HK Mark 23 Magazine Release Spring
H&K Heckler & Koch
Now: $9.95Was: $10.95Heckler and Koch Magazine Release Spring for HK Mark 23 Compatible with: Mark 23HKP-01789Now: $9.95Was: $10.95 -
On Sale
HK USP Control Decock Only V4 Safety Lever
H&K Heckler & Koch
Now: $44.95Was: $49.95H&K HK USP Control Decock Only V4 Safety Lever Lever for left-handers to have the de-cocker (no safety) function. The control lever fits on the right side of the frame. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACPHKP-01417Now: $44.95Was: $49.95 -
On Sale
HK G36, SL8 Bolt Catch Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95HK German G36 & SL8 Bolt Catch SpringHKP-01861Now: $8.95Was: $9.95 -
On Sale
HK UMP Paddle Magazine Release - Extended
HKP HK Parts
Now: $31.95Was: $34.95HKP HK Parts Extended Paddle Magazine Release for HK UMP 9mm, .40 S&W, .45 ACP Billeted alloy UMP magazine release. This is a very common repair and replacement part as they are fairly easy to break on the UMP lower. With this new metal mag release...HKP-17919Now: $31.95Was: $34.95 -
Out Of Stock
HK UMP, USC, G36, SL8 Compression Spring - Index Plate
H&K Heckler & Koch
$7.95H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Index Plate Compression SpringHKP-16496$7.95 -
On Sale
HK MP5 Recoil Rod Bushing - .40 S&W, 10mm, .357 SIG
H&K Heckler & Koch
Now: $8.95Was: $9.95New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.HKP-00441Now: $8.95Was: $9.95 -
On Sale
HK CC9 Extractor
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K CC9 Extractor Replacement extractor for the CC9 pistol. Removes spent casings and functions as a visual and tactile loaded chamber indicator. Compatible With: HK CC9HKP-22129Now: $17.95Was: $19.95