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 StockOn Sale
HK MP5 Magazine Release - Extended - EMR - Streamline - Black - BLEMISHED
HKP HK Parts
Now: $25.28Was: $44.95HK MP5 Magazine Release - Extended - EMR - Streamline - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Elevate your paddle style mag...HKP-22175-BL-BNow: $25.28Was: $44.95 -
On Sale
HK MP5 Roller Standard 8mm - .40 S&W, 10mm - BLEMISHED
H&K Heckler & Koch
Now: $12.95Was: $20.95H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-00338-BNow: $12.95Was: $20.95 -
On Sale
HK CC9 Slide Release
H&K Heckler & Koch
Now: $42.95Was: $46.95Heckler and Koch Slide Release for HK CC9 Factory slide release manufactured by Heckler and Koch for the CC9 platform. Allows manual release of the slide and engages the slide stop after the last round when used with an empty magazine. Compatible...HKP-22124Now: $42.95Was: $46.95 -
On Sale
HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle - USED
H&K Heckler & Koch
Now: $38.95Was: $42.95Heckler and Koch Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 - USED This is a used German anti-rattle paddle mag release for installation on all Heckler and Koch Firearms .223 and .308 rifles. Compatible With: HK91,...HKP-22061Now: $38.95Was: $42.95 -
On Sale
HK417, MR762 Hammer Axle
H&K Heckler & Koch
Now: $12.95Was: $13.95H&K HK MR762/417 Hammer Axle Compatible With: HK MR762 HK 417HKP-16622Now: $12.95Was: $13.95 -
Out Of Stock
HK P7 Series Disconnector, Sear Control Lever
H&K Heckler & Koch
$49.95HK P7 Series Disconnector, Sear Control Lever New HK German factory part. Compatible With: PSP P7M8 P7M10 P7M13HKP-01308$49.95 -
On Sale
Now: $17.95Was: $19.99 -
On Sale
HK P2000, P30SK Safety Lockout
H&K Heckler & Koch
Now: $19.95Was: $21.95HK P2000 & P30SK Safety LockoutHKP-02493Now: $19.95Was: $21.95 -
On Sale
HK45, USP Compact Recoil Spring Guide Rod
H&K Heckler & Koch
Now: $35.95Was: $39.95HK USPC & HK45 Recoil Spring Guide Rod Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK45HKP-01411Now: $35.95Was: $39.95 -
On Sale
HK G36 Piston Rod Plate
H&K Heckler & Koch
Now: $6.95Was: $7.95Heckler and Koch Piston Rod Plate for HK G36 Constructed from steel with a black finish, this factory original part from HK is manufactured in Germany and designed for HK G36 rifle models chambered in 5.56 / .223. The plate is part of the piston rod...HKP-01871Now: $6.95Was: $7.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended
H&K Heckler & Koch
$9.95Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-00801$9.95 -
On Sale
HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
H&K Heckler & Koch
Now: $11.95Was: $12.95HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking components in place for proper fit and function. Compatible...HKP-22482Now: $11.95Was: $12.95