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
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 -
Out Of Stock
B&T APC9 Selector Position Lock Spring
B&T Brugger & Thomet
$4.95B&T APC9 Selector Position Lock Spring Compatible With: APC Series Standard receiver Glock receiver Sig receiverHKP-21764$4.95 -
Out Of Stock
$8.95 -
On Sale
HK417, MR762 Charging Handle Plate
H&K Heckler & Koch
Now: $17.95Was: $19.95HK MR762, HK417 Plate For Charging Handle Compatible With: HK MR762 HK417HKP-16843Now: $17.95Was: $19.95