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 VP9, VP9SK, HK VP40 Disassembly Safety
H&K Heckler & Koch
$14.99Dismounting Or Disassembly Safety HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 FHKP-16792$14.99 -
HK P7 Series Drop Safety Catch Spring
H&K Heckler & Koch
$9.95HK P7 Drop Safety Catch Spring This is one of the most common wear items on the P7 series of firearms—a must-have spare part and hard to find. Compatible With: PSPHKP-01353$9.95 -
HK MP5, HK90 Series Buttstock Push Pin - Sling Hook - Ambi
H&K Heckler & Koch
$52.99H&K Ambidextrous Stock Sling Pin - Large The ambidextrous sling hook push pin replaces the stock push pin on the rear stock of the HK firearm, to enable the use of an HK sling for both left and right...HKP-00078$52.99 -
HK MP5, MP5K, HK93, HK91 Sight Clamping Screw - Rear Retainer
H&K Heckler & Koch
$4.95HK German Rear Sight Retainer / Clamping ScrewHKP-00868$4.95 -
HK416, MR556, MR762 Clamping Sleeve Safety Lever
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/416 Clamping Sleeve Safety Lever There are one of the same pin on both sides. Compatible with: HK MR556 <HKP-15252$7.95 -
HK MP5, HK90 Series Hammer - Full Auto - Used
H&K Heckler & Koch
$29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. This hammer is the hammer that is most commonly used in...HKP-21442$29.95 -
HK VP9, VP40, USP Series, P Series Magazine Spring - 10 Round
H&K Heckler & Koch
$6.95New German HK Magazine Spring For 10 Round Magazines A must-have part as magazine springs are high wear and a common replacement item. Compatible With: HK USP 9mmHKP-01428$6.95 -
HK MP5, MP5K Extractor - Coated and Polished
HKP HK Parts
$44.95HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for...HKP-22181-M$44.95 -
On Sale
HK MP5, MP5K Hammer Spring - 9mm - US
MKE
Now: $2.92Was: $5.89MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring. Worn hammer springs can cause light primer strikes and misfires. A great part to load up on for years of trouble free shooting...HKP-22224Now: $2.92Was: $5.89 -
Out Of Stock
HK416, MR556, HK417, MR762 Buffer Retainer Spring
USA
$5.95HK MR556/MR762/416/HK417 Buffer Retainer Spring This item is the spring for the buffer retainer that is held in the rear of the lower receiver. Compatible With: HK MR556HKP-20036$5.95 -
HK90, MP5K Sear Catch - Steel - US
HKP HK Parts
$47.95HKP HK Parts HK90, HK MP5K Sear Catch - Steel - USA Made - Billeted Machined - Steel Hard to find and important for keeping your HK build 922r compliant. This US-made sear counts as one US-compliant...HKP-00378$47.95 -
HK VP9, VP9SK Cocking Aid Filler Left, Right Set
H&K Heckler & Koch
$19.95Cocking Aid Filler Piece Set For - HK VP9, VP9SK HK VP9/VP9SK Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP9 pistol...HKP-17213$19.95