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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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 -
HK MP5 Locking Roller +4 - .40 S&W, 10mm
H&K Heckler & Koch
$20.95H&K Heckler and Koch New +4 roller for HK MP5 40/10 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...HKP-00335$20.95 -
HK MP5 Roller - Standard 8mm - .40 S&W, 10mm
H&K Heckler & Koch
$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-00338$20.95 -
HK USP Detent Plate - V1, V2
H&K Heckler & Koch
$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-21982$13.95 -
Out Of Stock
HK G36, SL8 Roll Pin - Gas Piston
H&K Heckler & Koch
$9.95H&K HK G36, HK SL8 Roll Pin for Gas PistonHKP-16386$9.95 -
HK417, MR762 Charging Handle Catch
H&K Heckler & Koch
$59.95HK MR762, HK417 Extended Charging Handle Catch Complete New HK German manufacture. A great part to have on hand as these are prone to breakage and wear. Compatible With: HK MR762 HK 417 HK G28HKP-16852$59.95 -
$10.95 -
Out Of Stock
MLOK LINK Rail Section - 7 Slots - QD
Strike Industries
$25.95Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...HKP-17594$25.95 -
HK CC9 Slide Cover Plate
H&K Heckler & Koch
$9.95H&K CC9 Slide Cover Plate Made in Germany by H&K, the slide cover plate for the CC9 pistol retains the firing pin assembly within the slide. Compatible With: HK CC9HKP-22135$9.95 -
HK45, P30SK Safety Lever Compression Spring
H&K Heckler & Koch
$6.95HK 45 & P30SK Lockout Compression Spring Compatible With: HK45 HK45 Compact HK P30SKHKP-02272$6.95 -
HK USP, Mark 23 Magazine Locking Plate - .45 ACP - 10 Round
H&K Heckler & Koch
$5.9510 Round Magazine Locking Plate Compatible With: HK USP 45 ACP 10 round magazine HK Mark 23 10 round magazineHKP-01591$5.95 -
HK G36, SL8 Sling Pin Retaining Clip for Handguards
H&K Heckler & Koch
$9.95HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory ForearmHKP-16366$9.95