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
HK33, HK53, HK93, HK91, G3 Internal Buffer With Break Springs
H&K Heckler & Koch
Now: $16.16Was: $17.95HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffersNow: $16.16Was: $17.95 -
On Sale
HK45, HK 45 Tactical Backstrap - Small - Black
H&K Heckler & Koch
Now: $13.46Was: $14.95H&K 45/45 Tactical Backstrap - Small - Black New HK Manufacture. This item allows you to customize the way your firearm feels in your hand. As this is the smaller backstrap it is an excellent choice for smaller hands or female shooters. Compatible...Now: $13.46Was: $14.95 -
On Sale
HK P30, P2000 Hammer Strut
H&K Heckler & Koch
Now: $22.45Was: $24.95HK P2000 & P30 Hammer Strut Compatible With: HK P2000 HK P30Now: $22.45Was: $24.95 -
On Sale
HK USP .45 ACP Extractor
H&K Heckler & Koch
Now: $44.96Was: $49.95HK German Extractor for USP 45 & USP Tactical .45 Full Size Pistol Compatible With: USP 45 USP 45 Tactical USP 45 Expert, EliteNow: $44.96Was: $49.95 -
Out Of StockOn Sale
HK MP5 40/10 +2 Roller
H&K Heckler & Koch
Now: $17.99Was: $19.99MP5 40,10 +2 Roller New HK German MP5 40/10 +2 roller. Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price listed is per roller. Order 2 (pair)...Now: $17.99Was: $19.99 -
On Sale
HK90 Trigger Spring- 3 Position - SEF and Navy
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK SEF & Navy 3 Position Trigger Spring Elevate your HK 90 series performance with a factory-fresh trigger spring, designed for both semi and full-auto models. These are an essential upgrade for any 90 series owner, ensuring optimal...Now: $8.96Was: $9.95 -
On Sale
HK VP9, VP9SK, VP40 Catch Cylindrical Pin
H&K Heckler & Koch
Now: $8.96Was: $9.95Cylindrical Pin For Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40Now: $8.96Was: $9.95 -
On Sale
HK417, MR762 Magazine Catch
H&K Heckler & Koch
Now: $44.96Was: $49.95H&K HK 417/MR762 Magazine Catch This is the actual mag catch for the MR762 and HK 417 family of firearms. A great spare to have on hand. Compatible With: HK 417 HK MR762Now: $44.96Was: $49.95 -
On Sale
HKP HK MP5 (.40 S&W) Locking Roller +6
HKP HK Parts
Now: $9.56Was: $11.95HK US MP540 Locking Roller, +6 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 to...Now: $9.56Was: $11.95 -
On Sale
HK90 Series Ejector Lever Axle for SEF, Navy, and Burst Trigger Packs
MKE
Now: $10.10Was: $17.95MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling. Fits all of the following 90 series trigger packs: SEF, O,1 Navy BurstNow: $10.10Was: $17.95 -
On Sale
HK91, G3 Extractor - Enhanced Coated Polish
HKP HK Parts
Now: $19.96Was: $24.95HKP HK 91/G3 Extractor - Enhanced Coated Polish Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible With: HK...Now: $19.96Was: $24.95 -
$27.95