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 Mark 23 Extractor Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95Extractor Spring For HK Mark 23 Or SOCOM Pistol New HK German factory nickel-plated extractor spring. A great spare to have on hand and one of the highest wear and replacement parts on the Mark 23. Compatible with all models and years of the Mark 23...Now: $8.96Was: $9.95 -
On Sale
HK91, G3, HK33, HK53, HK93 Contact Piece for Paddle Mag Release
H&K Heckler & Koch
Now: $26.95Was: $29.95HK .223/556 & 308 Contact Piece For Paddle Magazine Release German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK 33, 53, 93 HK G3, 91, PTR91Now: $26.95Was: $29.95 -
On Sale
HK91, G3 Firing Pin Spring - Used
H&K Heckler & Koch
Now: $4.46Was: $4.95H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Grab one for a spare, just in case.Now: $4.46Was: $4.95 -
On Sale
HK UMP, G36 Pistol Grip Storage Insert
USA
Now: $15.25Was: $16.95HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...Now: $15.25Was: $16.95 -
On Sale
HK Mark 23, SOCOM Spring - Firing Pin
H&K Heckler & Koch
Now: $8.05Was: $8.95HK Mark 23 Firing Pin Spring Compatible With: HK Mark 23 SOCOMNow: $8.05Was: $8.95 -
On Sale
HK VP9, VP9SK, VP40 Trigger Safety Spring
H&K Heckler & Koch
Now: $6.25Was: $6.95H&K HK VP9/VP9SK, VP40 Trigger Safety Catch Elbow Spring Elbow spring for trigger safety catch VP9, VP9SK & VP40.Now: $6.25Was: $6.95 -
On Sale
HK416, MR556 Ejector Port Cover Pin
H&K Heckler & Koch
Now: $17.95Was: $19.95HK MR556 & 416 Ejector Port Cover Pin Compatible With: HK MR556 HK 416Now: $17.95Was: $19.95 -
On Sale
HK USC (.45 ACP) Carbine Mag Release
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K USC (.45 ACP) Carbine Mag Release This is a great replacement as they are prone to breakage & wear. Please Note: For those that have a USC with a bullet button and are moving to a free state and want to revert back to the...Now: $17.95Was: $19.95 -
On Sale
HK Mark 23 Extractor
H&K Heckler & Koch
Now: $71.95Was: $79.95HK German Mark 23 SOCVOM Extractor New HK German manufacture. This item is no longer being made and is a great spare part to have on hand. Compatible With: Mark 23 SOCOM pistolsNow: $71.95Was: $79.95 -
HK416, MR556, MR762 Extractor Spring Buffer
H&K Heckler & Koch
$14.95H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762$14.95 -
On Sale
HK German -2 Locking Roller Standard 7.98mm - Used
H&K Heckler & Koch
Now: $8.96Was: $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...Now: $8.96Was: $9.95 -
On Sale
Catch - HK P30, P30L, P2000
Now: $48.56Was: $53.95Catch - HK P30, P30L, P2000 New HK German Catch Assembly for all P Series of pistols. Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Calibers P2000 - 9mm P2000 - .40 S&W P2000 - .357 SIG Please note: This is also the latch needed...Now: $48.56Was: $53.95