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
HK45, USP V5, V6, V7 Tube
H&K Heckler & Koch
Now: $4.95Was: $5.95HK USP/45 Variants 5, 6, & 7 Tube Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 357 HK USP Compact 40 HK USP Compact 45HKP-02163Now: $4.95Was: $5.95 -
Out Of Stock
HK45, HK45 Compact , USP, USPC LEM Sear
H&K Heckler & Koch
$0.00HK USP, USPC, 45, & 45C LEM Sear LEM Hammer Fit Replaces The LEM Hammer In The Following Pistols: USP USPC HK45 HK45CHKP-02704$0.00 -
HK21 Barrel Grip Axle Pin
H&K Heckler & Koch
$9.95HK21 Barrel Grip Axle Pin Factory axle pin for HK21 barrel handle release levers.HKP-15451$9.95 -
Out Of Stock
HK PSG1 Firing Pin Spring
H&K Heckler & Koch
$0.00HK German PSG-1 Firing Pin Spring. New HK German. A Great Item To Have On Hand As A Spare.HKP-00535$0.00 -
On Sale
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
Now: $53.95Was: $58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...HKP-22434Now: $53.95Was: $58.95 -
On Sale
HK P7M13 Magazine Follower - Black - BLEMISHED
H&K Heckler & Koch
Now: $22.95Was: $49.95H&K HK P7M13 Magazine Follower - Black - BLEMISHED ONLY 2 UNITS AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. All steel construction, brand new...HKP-02364-BNow: $22.95Was: $49.95 -
On Sale
HK A3 Buttstock Release Lever Rebuild Kit
H&K Heckler & Koch
Now: $13.95Was: $14.95H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks. With A3 stocks becoming more expensive it's a great idea to keep this kit on...HKP-21851Now: $13.95Was: $14.95 -
On Sale
HK MR762 Drop Safety Catch
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K HK MR762 Drop Safety Catch Compatible With: HK MR762HKP-16615Now: $17.95Was: $19.95 -
Out Of Stock
HK P7 Series Cocking Lever Axle
H&K Heckler & Koch
$7.95Cocking Lever Axle Compatible With: P7M8 P7M10 P7M13HKP-01375$7.95 -
On Sale
HK Mark 23 Left Side Safety Lever
H&K Heckler & Koch
Now: $40.95Was: $44.95HK Mark 23 Left Side Safety LeverHKP-01771Now: $40.95Was: $44.95 -
On Sale
HK Mark 23 Safety Detent
H&K Heckler & Koch
Now: $9.95Was: $10.95HK Mark 23 Safety DetentHKP-01782Now: $9.95Was: $10.95 -
On Sale
HK P30, P30S Recoil Spring Guide Rod
H&K Heckler & Koch
Now: $44.95Was: $49.95HK P30 & P30S Recoil Spring Guide Rod This is the guide rod portion of the recoil spring assembly. The rod is the only part included with no spring or rings.HKP-02247Now: $44.95Was: $49.95