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 MP5 Paddle Magazine Release Lever - .40 S&W, 10mm
HKP HK Parts
$59.95HKP HK Parts Magazine Release Lever for .40 S&W and 10mm HK MP5 Compatible with MP5HKP-01274$59.95 -
On Sale
HK MP5, 90 Series Locking Plate for Rollers
USA
Now: $3.95Was: $8.95Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...HKP-99399Now: $3.95Was: $8.95 -
On Sale
HK MP5 Rear Sights Locking Washer
MKE
Now: $1.95Was: $2.45MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearmsHKP-22240Now: $1.95Was: $2.45 -
On Sale
HK33, HK53, HK93 Push Pin Spring
MKE
Now: $2.19Was: $3.95MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...HKP-22228Now: $2.19Was: $3.95 -
Out Of Stock
B&T Takedown Pin Rear
B&T Brugger & Thomet
$12.95B&T APC Takedown Pin - Rear Factory B&T rear take down pin for the APC receiver. Compatible With: APC Series Standard receiver Glock receiver Sig receiverHKP-21727$12.95 -
HK45 Recoil Rod and Spring - Complete
H&K Heckler & Koch
$104.95HK 45 Recoil Complete Rod w/ Spring This is the complete recoil guide assembly for the HK45 pistol. Great item to have on hand for repair or replacement. Compatible With: HK45 HK45 Tactical Please Note: This does not fit the USP .45...HKP-01667$104.95 -
HK P30, P30L Firing Pin
H&K Heckler & Koch
$59.95Heckler and Koch Firing Pin for HK P30, P30L German-made HK firing pin for the P30 and P30L. Steel construction, factory-spec, and designed for both 9mm and .40 S&W models. This is the correct OEM firing pin for restoring proper ignition...HKP-02211$59.95 -
HK USP, 45, 45C New Style Bobbed Hammer
H&K Heckler & Koch
$59.95HK USP, USPC & HK45 & HK45C Bobbed Hammer - New Style This has the shorter, lower-profile "bobbed" hammer. The new style hammer has a cutout for 2005 and later production. Compatible With: USP 9mm & USP Compact 9mm USP 40 & USP Compact...HKP-01589$59.95 -
HK33, HK53, HK93 Firing Pin - Stainless Steel
HKP HK Parts
$24.95HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33HKP-17798$24.95 -
HK416, MR556 Extractor Spring Buffer
HKP HK Parts
$5.39HKP HK MR556/416 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 & HK416 FirearmsHKP-21604$5.39 -
HK MP7, G36 Firing Pin Bolt O-Ring
H&K Heckler & Koch
$9.95HK G36 & MP7 Firing Pin - Bolt O-Ring Compatible With: HK G36 HK MP7HKP-01858$9.95 -
HK MP5F, MP5 Compression Spring - Cocking Lever Support
H&K Heckler & Koch
$9.95H&K MP5F & MP5 40,10 Cocking Support Handle Spring One of these springs is required for use with the cocking handle/support assembly. You need the following - MP5 40 cocking tube support, MP5 40 cocking handle, and the cocking handle spring to...HKP-00426$9.95