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 VP9, VP9SK, VP9 Match, VP9 Tactical, VP40, VP40 Tactical Magazine Release/Catch
H&K Heckler & Koch
$24.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP40 TacticalHKP-16817$24.95 -
Out Of Stock
HK416, MR556 Magazine Catch
H&K Heckler & Koch
$50.95H&K HK MR556/416 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK MR556 HK 416HKP-15458$50.95 -
HK UMP, USC Firing Pin - Complete Assembly - .40 S&W / .45 ACP / 9mm
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HKMP5, MP5K, HK91, G3, HK33 Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
HK MP5, MP5K, G36, HK33, HKK53, HK93, HK417 Magazine Release Bushing - Full Auto
MKE
$2.59MKE HK MP5/MP5K Magazine Release Bushing This part is for use in all 90-series H&K weapon systems and is used for installing a paddle mag release. This is not for use on semi-auto HK builds. This part is intended for full-auto conversions only...HKP-22283$2.59 -
HK USP Magazine Locking Plate - 9mm / .40 S&W - High Capacity
H&K Heckler & Koch
$6.95HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate Compatible With: HK USP 9mm HK USP .40HKP-02165$6.95 -
Out Of Stock
HK Mark 23, SOCOM Firing Pin - Titanium
HKP HK Parts
$49.95Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...HKP-17803$49.95 -
HK90 Series Compression Rod for Burst Trigger Packs
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
HK VP9, VP9SK, VP40 Trigger Bar
H&K Heckler & Koch
$55.95H&K HK VP9/VP9SK, HK VP40 Trigger Bar Compatible With: HK VP9 HK VP9SK HK VP40HKP-16780$55.95 -
Out Of Stock
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...HKP-17572$13.95 -
HK P30, P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
$5.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01799$5.95 -
HK 416, MR556, G36, SL8 Gas Piston
Nefarious Arms
$74.95Nefarious Arms HK G36/SL8/HK 416/MR556 Gas Piston A great spare, upgrade, or replacement part for your HK. Includes 3 piston rings for a complete drop in replacement part. TiN coated for corrosion resistance. Compatible with: HK G36 HK416 HK...HKP-21364$74.95