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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out Of Stock
HK UMP, USC Extractor - 9mm
USA
$39.95New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion. Please Note: HK considers this a high wear and replacement item. Once it's removed from the carrier, the spring tension...HKP-02625$39.95 -
HK UMP, G36 Burst Lower Slide (0,1,2) - .40 S&W / .45 ACP / 9mm / 5.56 / .223
H&K Heckler & Koch
$14.95HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only Compatible With: HK UMP HK G36HKP-01887$14.95 -
HK UMP, USC, SL8, G36 Fixed Rear Sight Flat Spring
H&K Heckler & Koch
$8.95HK G36, SL8 & USC, UMP Fixed Rear Sight Flat Spring Compatible With: G36 SL8 USC. 45 UMP 9mm UMP .40 UMP .45HKP-16635$8.95 -
HK21E, HK11E, PSG1, MSG90 Firing Pin
H&K Heckler & Koch
$119.95HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...HKP-01758$119.95 -
HK MP5K, SP89 Recoil Guide Rod - Stripped
H&K Heckler & Koch
$14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.HKP-01693$14.95 -
HK MP5 Release Lever - A3 Retractable Buttstock
H&K Heckler & Koch
$19.95HK MP5 A3 Retractable Buttstock Release Lever For use with the newer Navy or F style A3 retractable MP5 stocks. Not for use on the older 1st generation metal levered MP5 stocks. This lever is much easier to break than the older style and a must have item...HKP-16404$19.95 -
HK UMP Barrel Pin Screw
OMEGA
$13.95Omega UMP Barrel Pin Screw Barrel pin Screw that replaces barrel pins on Omega Gideon Shadow Compatible With: HK UMP HK USC Omega GSHKP-22514$13.95 -
HK90 Series Trigger and Catch Axle - USA
MKE
$1.99HK Sear and Trigger Axle For 90 Series - SURPLUS MKE sear and trigger axle for the 90 series style trigger packs. Each axle pin (aka pivot pin) measures .197 inches (5.0mm). Each HK trigger pack uses a total of 2 of these axle pins per trigger pack...HKP-22233$1.99 -
HK P7, P9 Firing Pin
H&K Heckler & Koch
$79.95H&K Firing Pin 9mm Short/7.65mm - HK P7/P9 Ensures reliable ignition by striking the cartridge primer during firing. Compatible With: HK P7/P9HKP-22231$79.95 -
On Sale
HK MP5 40/10 Standard 8mm Roller - 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 -
HK CC9 Trigger Pin
H&K Heckler & Koch
$5.95H&K CC9 Trigger Pin This genuine H&K CC9 trigger pin secures the trigger assembly within the frame. Compatible With: HK CC9HKP-22123$5.95 -
HK CC9 Sear Pin
H&K Heckler & Koch
$5.95H&K CC9 Sear Pin Made in Germany by H&K, this sear pin for the CC9 pistol secures the sear within the fire control assembly. Compatible With: HK CC9HKP-22119$5.95