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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$55.95 -
HK UMP Firing Pin Retainer Pin - .40 S&W / .45 ACP / 9mm
H&K Heckler & Koch
$7.95HK UMP Firing Pin - Retainter Pin This is the pin that trips the trip lever on the UMP lower. Compatible With: HK UMP$7.95 -
HK P7 PSP, P7M8 Magazine Locking Plate
H&K Heckler & Koch
$12.95HK P7 PSP/P7M8 Magazine Locking Plate Compatible With: PSPP7M8$12.95 -
HKP HK MP5 (.40 S&W) Locking Roller +2
HKP HK Parts
$11.95HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the...$11.95 -
HK45C, USPC Firing Pin
H&K Heckler & Koch
$57.95H&K HK USPC/45C Firing Pin A great spare part to have on hand for wear and breakage parts. A factory German HK OEM part. Compatible With: HK45 Compact HK45C Tactical HK USP Compact 45 HK USPC Tactical 45$57.95 -
HK USP Lanyard Loop Insert Pin
H&K Heckler & Koch
$19.95HK USP Lanyard Loop Insert Pin Compatible With: HK USP 9mm HK USP 40 HK USP 45$19.95 -
HKP Front Sight Tower Ambi Sling Attachment Weldment
HKP HK Parts
$14.95HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...$14.95 -
HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style
H&K Heckler & Koch
$43.95H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin. Will work for A1 and A4 applications. Compatible With: HK MR556 A1 and A4 HK416 HK MR762 A1 and A4 HK417 AR-14, M4, M16$43.95 -
Out Of Stock
HK VP9, HK VP40 Slide Racker - Right Side
HKP HK Parts
$49.95HK Parts HK VP9 and HK VP40 Right Side Slide Racker For those that would like a like a faster racking option and competitive shooters alike. The HK Parts "slide racker" is a drop in replacement part of your existing slide plate. Easy to install and a...$49.95 -
HK45, P30 Lockout Key
H&K Heckler & Koch
$12.95Safety Lockout Key HK45, HK45C, P30, & P30L New HK German lockout key for the factory HK mag release lockout. Compatible With: HK 45, HK45 Tactical HK 45C, HK45C Tactical All HK P30 All HK P30L All HK P30$12.95 -
HK416 A5, MR556 A4 Gas Vent Screw - 1.9mm
H&K Heckler & Koch
$32.99H&K MR556 A4/416 A5 1.9mm Gas Vent Screw German 1.9mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5$32.99 -
HK UMP Hammer Spring - Left
USA
$9.95USA HK UMP Left Hammer Spring New U.S hammer spring- left side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40 & 9mm USC .45 and other...$9.95