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 StockOn Sale
HK416, MR556, MR762 Fire Control Detent Stop Pin
H&K Heckler & Koch
Now: $18.86Was: $20.95H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416 HK MR762Now: $18.86Was: $20.95 -
On Sale
HK UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Pin
H&K Heckler & Koch
Now: $5.36Was: $5.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch PinNow: $5.36Was: $5.95 -
On Sale
HK VP9, VP9SK, VP40 Polymer Support Sleeve
H&K Heckler & Koch
Now: $8.05Was: $8.95H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black New HK German VP9 & VP40 support sleeve made of polymer. A great replacement part to have on hand as they are easily marred when you depress the sleeve to access the firing pin or slide plate...Now: $8.05Was: $8.95 -
On Sale
HK VP9, VP40 Disassembly Lever
H&K Heckler & Koch
Now: $22.45Was: $24.95Disassembly Lever VP9 & VP40 New HK German VP9, VP40 take down lever. This is the lever that is designed to take the remove the slide from the frame. All steel manufacture. Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP40Now: $22.45Was: $24.95 -
Out Of StockOn Sale
HK P Series Complete Spurred Hammer
H&K Heckler & Koch
Now: $48.56Was: $53.95H&K HK P Series Complete Spurred Hammer New German HK spurred hammer complete. Compatible With: All non LEM pistol below: P30, P30L, P30SK P2000 P2000 SKNow: $48.56Was: $53.95 -
On Sale
HK G36, SL8 Pin - Axle - Cocking Handle
H&K Heckler & Koch
Now: $10.75Was: $11.95HK German G36 & SL8 Cocking Handle Axle Pin This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 HK SL8Now: $10.75Was: $11.95 -
On Sale
Handguard Rail Screw - Tactical
PTR
Now: $0.62Was: $0.69PTR Tactical Handguard Rail Screw The 6, 4, 3 & 2 inch rail sections use these screws to attach themselves to the tactical forearm. This is the screw that is used on all the tactical forearm rails (2 inch, 3 inch, 4 inch, 6 inch). A great spare to...Now: $0.62Was: $0.69 -
On Sale
HK CC9 Backstrap Roll Pin
H&K Heckler & Koch
Now: $5.36Was: $5.95H&K CC9 Backstrap Roll Pin This genuine H&K backstrap roll pin for CC9 pistol secures the interchangeable backstrap to the frame. Compatible With: HK CC9Now: $5.36Was: $5.95 -
On Sale
HK P30 Series Left Slide Release Lever
H&K Heckler & Koch
Now: $49.46Was: $54.95Slide Release Lever Left - P30 Latest HK production. Compatible With: P30 P30SKNow: $49.46Was: $54.95 -
Out Of Stock
HK45, USP New Style Hammer Strut
H&K Heckler & Koch
$12.95H&K HK USP/45 New Style Hammer Strut Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Tactical, Elite, Expert HK45 HK45 Tactical$12.95 -
Out Of StockOn Sale
HK SL8, G36 Rod Spring - Gas Piston
H&K Heckler & Koch
Now: $53.96Was: $59.95HK German G36 & SL8 Gas Piston Rod Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion. This is a high-wear item and a must-have spare part. Compatible With: SL8-6, SL8-1 G36E, G36 full sizeNow: $53.96Was: $59.95 -
On Sale
HK45, HK45C Detent Plate - Variant 5,6,9
H&K Heckler & Koch
Now: $49.46Was: $54.95H&K Detent Plate New HK German manufacture safety ONLY detent plate. This detent plate will convert the firearm to safety only with no decocking functions. Compatible With: HK45 HK45 Tactical HK45C HK45C TacticalNow: $49.46Was: $54.95