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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On Sale
HK VP9, VP9SK, VP40 Firing Pin Striker
HKP HK Parts
Now: $31.95Was: $39.95HKP HK VP9/VP9SK/VP40 Firing Pin Striker This firing pin fits all models of VP series pistols. Compatible With: HK VP9, VP9 tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 tacticalHKP-20464Now: $31.95Was: $39.95 -
On Sale
HK UMP Magazine Locking Plate - .45 ACP - US
USA
Now: $5.95Was: $6.95HK UMP .45 Magazine Locking Plate Made in the USAHKP-20136Now: $5.95Was: $6.95 -
On Sale
HK German Ambidextrous Sling Pin Replacement O-Ring
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common wear/breakage part that does need to be replaced from time...HKP-19985Now: $4.95Was: $5.95 -
On Sale
HK Mark 23, SOCOM Firing Pin
H&K Heckler & Koch
Now: $46.95Was: $51.95New HK German Mark 23 Firing Pin A great item to have on hand as these are a common wear item. Compatbile With: Mark 23HKP-01670Now: $46.95Was: $51.95 -
On Sale
HK45, HK45 Compact, P2000, P2000SK Right Slide Release Lever
H&K Heckler & Koch
Now: $44.95Was: $49.95Right Slide Release Lever Compatible With: HK P2000 HK P2000SK HK45 HK45 CompactHKP-01619Now: $44.95Was: $49.95 -
On Sale
HK23E, HK13E Firing Pin - Titanium - US
HKP HK Parts
Now: $44.95Was: $49.95HK23E, MM23E, 13E Firing Pin - Titanium Grade 6 weapons grade titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest, strongest firing...HKP-17770Now: $44.95Was: $49.95 -
On Sale
HK MP5 Locking Roller -2 - .40 S&W
HKP HK Parts
Now: $10.95Was: $11.95HK US MP540 Undersized Locking Roller, -2 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...HKP-17563Now: $10.95Was: $11.95 -
On Sale
HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End
HKP HK Parts
Now: $11.95Was: $14.95HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...HKP-17881Now: $11.95Was: $14.95 -
HK91, G3 Magazine Release Set, Complete - USED
H&K Heckler & Koch
$24.95Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 This HK German manufactured, used magazine release set for HK .308 pattern rifles consists of 6 pieces. Complete left-to-right mag catch assembly with both push-button and paddle...HKP-22466$24.95 -
On Sale
HK CC9 Magazine Release and Chassis Pin
H&K Heckler & Koch
Now: $4.95Was: $5.95Heckler and Koch Magazine Release and Chassis Pin for HK CC9 Made by HK, this authentic pin for the HK CC9 secures magazine release and chassis components within the frame. Compatible With: CC9HKP-22112Now: $4.95Was: $5.95 -
On Sale
HK VP9 Short Slide Release Lever - Left
H&K Heckler & Koch
Now: $49.95Was: $54.95H&K VP Short Slide Release Lever - Left Short Left side slide release for VP series pistols. Can be combined with 260498, 50254710, 50239708. Compatible With: VP9/VP9 Tactical VP9 Match VP9L VP9SK VP9K VP9 A1 VP40HKP-22000Now: $49.95Was: $54.95 -
On Sale
Tikka T3 Bolt Handle - Upgrade
Tactical Precision MFG
Now: $34.95Was: $69.99TPM Tikka T3 Bolt Handle Upgrade Designed for exact Tikka specs. Tikka T3 upgraded bolt handle is 17-4 stainless steel for optimal strength and durability. This upgraded bolt handle was designed with a 20-degree angle to help improve bolt manipulation...HKP-20901Now: $34.95Was: $69.99