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 UMP Barrel Pin Screw
OMEGA
Now: $11.95Was: $13.95Omega UMP Barrel Pin Screw Barrel pin Screw that replaces barrel pins on Omega Gideon Shadow Compatible With: HK UMP HK USC Omega GSHKP-22514Now: $11.95Was: $13.95 -
Out Of Stock
HK MP5 Recoil Rod Assembly
RCM
$54.95RCM HK MP5 Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5 NOT compatible with SP5 with the F-style recoil rod MP5 clones and custom...HKP-22202$54.95 -
On Sale
HK CC9 Firing Pin Spring
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K CC9 Firing Pin Spring Manufactured by H&K, this firing pin spring for the H&K CC9 pistol applies consistent tension to the firing pin, ensuring reliable ignition. Compatible With: HK CC9HKP-22138Now: $4.95Was: $5.95 -
Out Of Stock
HK MP5 Magazine Locking Plate - 30 Round
KCI
$3.49KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5HKP-21377$3.49 -
On Sale
HK VP9, VP40 Backstrap - Small - FDE
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K VP9, VP40 Backstrap - Small - FDE New HK German manufacture Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18118Now: $26.95Was: $29.95 -
On Sale
HK45 Compact LEM Hammer Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95Hammer Spring For HK 45C LEM Models This hammer spring is the factory correct LEM hammer spring for the HK45C and HK45CT. This is the spring needed to use any other variant of LEM kit to be complete to be used on the HK45C pistol. This is also a great...HKP-15789Now: $8.95Was: $9.95 -
On Sale
HK P7M10, P7M13 Slide Removal Button, Retaining Catch
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K HK P7M10/P7M13 Slide Removal Button, Retaining Catch Brand new HK German manufacture. No longer in production. These are the last units that HK made. Last call!HKP-15432Now: $26.95Was: $29.95 -
Out Of Stock
HK USP Compact Lanyard Loop Insert Pin
H&K Heckler & Koch
$19.95H&K HK USPC Lanyard Loop Insert Pin Compatible With: HK USP Compact 9mm HK USP Compact .40 HK USP Compact .357 HK USP Compact .45 HK USP Compact TacticalHKP-01253$19.95 -
On Sale
HK G36 Hammer Spring - Right Side
H&K Heckler & Koch
Now: $7.95Was: $8.95HK G36 Right Side Lower Hammer SpringHKP-01857Now: $7.95Was: $8.95 -
On Sale
HK MP5 Roller - Standard 8mm - .40 S&W, 10mm
H&K Heckler & Koch
Now: $18.95Was: $20.95HK German MP5 40/10 8mm Roller - Factory New 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) for a...HKP-00338Now: $18.95Was: $20.95 -
On Sale
HK CC9 Firing Pin Spring Retainer
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K CC9 Firing Pin Spring Retainer Manufactured in Germany by H&K, this part secures the firing pin spring to the firing pin assembly, ensuring proper striker function during cycling. Compatible With: HK CC9HKP-22139Now: $4.95Was: $5.95 -
On Sale
HK USP Detent Plate - V1, V2
H&K Heckler & Koch
Now: $12.95Was: $13.95H&K USP V1/V2 Detent Plate Detent plate for full-size USP pistols. Used to convert or configure the pistol to Variant 1 (left-side safety/decocker) or Variant 2 (right-side safety/decocker). Ideal for users customizing their control layout...HKP-21982Now: $12.95Was: $13.95