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 SL8, G36 Top Rail Screw
H&K Heckler & Koch
Now: $13.95Was: $14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-16390Now: $13.95Was: $14.95 -
On Sale
HK P30L Recoil Rod Bushing Sleeve
H&K Heckler & Koch
Now: $35.95Was: $39.95HK P30L Recoil Rod Bushing Sleeve Compatible With: HK P30L 9mm HK P30L .40HKP-02435Now: $35.95Was: $39.95 -
On Sale
HK416, MR556 Firing Pin Catch
H&K Heckler & Koch
Now: $17.95Was: $19.95HK MR556/416 Firing Pin Catch Compatible With: HK MR556 HK 416HKP-16846Now: $17.95Was: $19.95 -
On Sale
HK MP5 Locking Roller -6 - .40 S&W
HKP HK Parts
Now: $10.95Was: $11.95HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. 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...HKP-17566Now: $10.95Was: $11.95 -
Out Of Stock
HK MP5, HK94K, SP89 Firing Pin
POF
$24.95HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...HKP-18264$24.95 -
Out Of Stock
HK45 Recoil Rod Absorber Bushing
H&K Heckler & Koch
$9.95HK 45 Recoil Rod Absorber Bushing This part is a common wear and replacement part and a must-have for spare parts. Compatible With: HK45 HK45 TacticalHKP-02269$9.95 -
On Sale
HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever with Axle
H&K Heckler & Koch
Now: $27.95Was: $30.95HK Slim Slide Release Lever w/ Axle This is the upgraded version that replaced the original early versions. This model has enhanced upgrades to update and improve your HK pistol's function and design features. Compatible With: HK45 HK45...HKP-01956Now: $27.95Was: $30.95 -
On Sale
HK416, MR556 Charging Handle Release Latch
H&K Heckler & Koch
Now: $35.95Was: $39.95H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...HKP-16553Now: $35.95Was: $39.95 -
Out Of Stock
HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223
H&K Heckler & Koch
$9.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.HKP-00579$9.95 -
On Sale
HK UMP, USC Hammer Spring - Right - US
USA
Now: $8.95Was: $9.95HK UMP & USC Right Side Hammer Spring For Lowers - USAHKP-19557Now: $8.95Was: $9.95 -
On Sale
HK G36, HK SL8 Bolt Catch USF
USA
Now: $12.95Was: $14.95HK G36 & SL8 Bolt Catch On AR-15 systems this would be similar to a cam pin. Compatible With: G36, G36K, G36C Sl8 variantsHKP-19122Now: $12.95Was: $14.95 -
On Sale
HK VP9, VP9SK, VP40 Slide Plate
H&K Heckler & Koch
Now: $12.95Was: $13.95H&K VP9, VP9SK, VP40 Slide Plate New German HK manufacture. Slide plate for the rear of the pistol. Made of polymer. Compatible With: HK VP9, VP9 Tactical, VP9 OR HK VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16834Now: $12.95Was: $13.95