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 P7 Series Front Sight Slide Retainer Pin
H&K Heckler & Koch
$4.95HK P7 Series Front Sight Slide Retainer Pin Compatible With: PSP P7M8 P7M10 P7M13HKP-01361$4.95 -
Out Of Stock
HK MP5 Locking Roller +2 - .40 S&W, 10mm
H&K Heckler & Koch
$19.99H&K Heckler and Koch +2 Roller for HK MP5 40,10 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...HKP-00334$19.99 -
On Sale
HK CC9 Recoil Spring Assembly
H&K Heckler & Koch
Now: $44.95Was: $48.95H&K CC9 Recoil Spring Assembly Made in Germany, the recoil spring assembly for CC9 pistol absorbs slide movement and returns the slide to battery during cycling. Compatible With: HK CC9HKP-22128Now: $44.95Was: $48.95 -
On Sale
HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
H&K Heckler & Koch
Now: $2.96Was: $5.95HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. Features: Precision-machined elbow spring...HKP-03330-USEDNow: $2.96Was: $5.95 -
Out Of Stock
HK UMP Stock Block B Push Pin
HKP HK Parts
$34.95Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)HKP-21249$34.95 -
On Sale
HK VP9SK, VP40SK Backstrap - Small - Black
H&K Heckler & Koch
Now: $23.95Was: $25.95H&K VP9SK, VP40SK Backstrap - Small - Black New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18306Now: $23.95Was: $25.95 -
On Sale
HK45, HK45 Compact, USP Disconnector
H&K Heckler & Koch
Now: $8.95Was: $9.95HK German USP 45, HK45, & HK45C Disconnector Compatible: HK45 USP9 USP40 USP45 USP Compact 9 USP Compact 40 USP Compact 45HKP-01175Now: $8.95Was: $9.95 -
On Sale
HK416 Front Sight Roll Pin - Folding 33mm
H&K Heckler & Koch
Now: $4.45Was: $4.95HK 416 Roll Pin For 33mm Front Folding Sight This version is the enhanced (longer) roll pin for a more secure fitment.HKP-14144Now: $4.45Was: $4.95 -
On Sale
HK G36, SL8 Firing Pin Retaining Pin
H&K Heckler & Koch
Now: $9.95Was: $10.95H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin Compatible With: HK G36 HK SL8HKP-02469Now: $9.95Was: $10.95 -
On Sale
HK UMP, USC Conversion Slide
H&K Heckler & Koch
Now: $17.95Was: $19.95HK USC & UMP Slide For Lower - German New HK German USC slide for conversion of UMP lower.HKP-00268Now: $17.95Was: $19.95 -
On Sale
HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto
MKE
Now: $3.95Was: $4.95MKE AP5, HK MP5, G3 Full-Auto Elbow Spring with Roller This elbow spring is manufactured by MKE from steel and is used in MP5 and G3 pattern trigger packs. It provides proper tension and function for the trigger pack elbow and is suitable for...HKP-22489Now: $3.95Was: $4.95 -
On Sale
HK MR762 Ejection Door Clamping Sleeve
H&K Heckler & Koch
Now: $4.45Was: $4.95H&K HK MR762 Ejection Door Clamping Sleeve Compatible With: HK MR762HKP-16518Now: $4.45Was: $4.95