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
HK G36, SL8 Recoil Buffer - Factory
H&K Heckler & Koch
$20.95HK G36 Or SL8 Factory Recoil Buffer A critical spare part as these buffers deteriorate with usage and time.HKP-00290$20.95 -
HK G36, SL8 Ejector Spring
H&K Heckler & Koch
$35.95HK G36 & SL8 Series Ejector Spring - HK German This is a great item to have on hand as this part is prone to wear and breakage.HKP-01867$35.95 -
HK G36, SL8 Cocking Handle Spring - US
$9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsHKP-18369$9.95 -
HK MP5, AP5 Firing Pin
MKE
$14.95MKE HK MP5/AP5 Firing Pin - 9mm MKE firing pin for HK MP5 platforms. Compatible With: HK MP5/SP5 Century Arms AP5/AP5P Zenith ZF-5/ZF-5K PTR 9CT/9KTHKP-22243$14.95 -
Out Of Stock
HK417, MR762, G28 Magazine Release - Ambidextrous
KDG Kinetic Development Group
$169.95Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles. The mag release is a lever instead of a button; where the release has been...HKP-19204$169.95 -
HK VP9SK, VP40SK Right Side Grip Panel - Small - Black
H&K Heckler & Koch
$18.95H&K VP9SK, VP40SK Right Side Grip Panel - Small - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18296$18.95 -
HK UMP Magazine Locking Plate - .45 ACP - US
USA
$6.95HK UMP .45 Magazine Locking Plate Made in the USAHKP-20136$6.95 -
On Sale
Thread Protector - .40 S&W - 14.5x1 LH - Titanium
HKP HK Parts
Now: $13.95Was: $24.95HKP HK .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium Titanium .40 S&W tactical barrel thread protector cap. Each thread protector has a built in O-ring to allow the best fit possible to prevent the thread protector from coming...HKP-17961Now: $13.95Was: $24.95 -
HK USP .45 ACP Extractor
H&K Heckler & Koch
$49.95HK German Extractor for USP 45 & USP Tactical .45 Full Size Pistol Compatible With: USP 45 USP 45 Tactical USP 45 Expert, EliteHKP-01275$49.95 -
HK USP Retainer Roll Pin, Buffer Spring - .45 ACP
H&K Heckler & Koch
$7.95HK USP .45 ACP Buffer Spring Retainer Roll PinHKP-02267$7.95 -
Out Of Stock
HK USP Compact LEM Block Spring - Firing Pin
H&K Heckler & Koch
$8.95H&K HK USPC LEM Firing Pin Block Spring Compatible With: HK USP Compact 9mm - LEM HK USP Compact 40 - LEM HK USP Compact 45 ACP - LEMHKP-16421$8.95 -
HKP HK MP5 (.40 S&W) Locking Roller +6
HKP HK Parts
$11.95HK US MP540 Locking Roller, +6 The proper roller size is essential for proper headspacing of bolt gap. 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 size you need to...HKP-17565$11.95