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 Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95H&K HK VP9/VP9SK, VP40 Main Spring For Firing Pin German HK. Compatible With: VP9 VP9 Tactical VP9SK VP40 VP40 TacticalHKP-16829Now: $8.95Was: $9.95 -
On Sale
HK Burst Eccentric Bushing
H&K Heckler & Koch
Now: $53.95Was: $59.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...HKP-02647Now: $53.95Was: $59.95 -
On Sale
HK VP9, VP9SK, VP40 Firing Pin with Striker - Titanium
HKP HK Parts
Now: $49.95Was: $79.95HKP HK VP9/VP40/VP9SK Titanium Firing Pin w/ Striker - Black Upgrade your VP series pistol with the HK Parts lightweight titanium. Reduced weight results in reduced lock time for faster shots and improved accuracy. A true drop in part made of the...HKP-17643Now: $49.95Was: $79.95 -
On Sale
HK45, P30, P2000, USP Stop Disc - Recoil Spring
H&K Heckler & Koch
Now: $11.95Was: $12.95HK 45, P30, P2000, & USPC Recoil Spring Washer Retainer This disk supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK45, HK45 Tactical HK45 Compact, HK45 Compact Tactical USP Compact, USP...HKP-02428Now: $11.95Was: $12.95 -
On Sale
HK P30, HK45, USPC Recoil Spring
H&K Heckler & Koch
Now: $17.95Was: $18.95New HK German Pistol Recoil Spring This part is ideal for repair or a replacement item as this is a high-wear item. This spring is the factory-correct flat-style compression spring. Compatible With: HK 45C, HK45C Tactical HK USPC .45, USPC Tactical HK...HKP-01673Now: $17.95Was: $18.95 -
On Sale
HK USP, USP Compact Lanyard Loop Insert
H&K Heckler & Koch
Now: $12.95Was: $13.95HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mm HK USP Compact .40 / .357 HK USP Compact .45HKP-01935Now: $12.95Was: $13.95 -
On Sale
HK MP5, HK90 Series Locking Roller -2 - Standard 7.98mm - Used
H&K Heckler & Koch
Now: $8.95Was: $9.95HK German Locking Roller Standard 7.98mm - Used The proper roller size is essential for proper head spacing and bolt gap. Used German German-made -2 or 7.98mm roller, each roller is priced per roller. Used HK German. HK locking roller, -2, 7.98mm. HK...HKP-20600Now: $8.95Was: $9.95 -
Out Of Stock
HK G36, UMP Sear Spring
H&K Heckler & Koch
$8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.HKP-01866$8.95 -
On Sale
HK MP5, MP5F Recoil Rod Assembly
HKP HK Parts
Now: $44.95Was: $49.95MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...HKP-17833Now: $44.95Was: $49.95 -
On Sale
HK USP Magazine Locking Plate - 9mm, .40 S&W - High Capacity
H&K Heckler & Koch
Now: $5.95Was: $6.95Heckler and Koch High Capacity Magazine Locking Plate for HK USP 9mm and .40 S&W Compatible With: USP9 USP40HKP-02165Now: $5.95Was: $6.95 -
On Sale
HK CC9 Backstrap Roll Pin
H&K Heckler & Koch
Now: $4.95Was: $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 CC9HKP-22110Now: $4.95Was: $5.95 -
On Sale
HK P7M8, P7M13 Detent - Gas Piston
H&K Heckler & Koch
Now: $8.95Was: $9.95H&K HK P7M8/P7M13 Detent, Piston Compatible With: P7M8 P7M13HKP-16327Now: $8.95Was: $9.95