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 MP5, G3, HK93 Magazine Catch Push Button- Used
H&K Heckler & Koch
Now: $4.95Was: $8.95H&K MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used Factory original HK push button replacement part. Limited quantity available. This is a used part, sold AS-IS, and is not eligible for return. Compatible...HKP-99316Now: $4.95Was: $8.95 -
On Sale
B&T APC Takedown Pin - Front
B&T Brugger & Thomet
Now: $10.95Was: $11.95B&T APC Takedown Pin - Front Factory B&T front take down pin for the APC receiver. Compatible With: APC Series Standard receiver Glock receiver Sig receiverHKP-21737Now: $10.95Was: $11.95 -
Out Of StockOn Sale
B&T TP9, MP9 Firing Pin
B&T Brugger & Thomet
Now: $40.95Was: $44.95B&T Firing Pin For B&T TP9, MP9 Genuine Swiss Brugger and Thomet firing pin for the TP9 and MP9 platforms. Compatible With: B&T TP9 B&T MP9HKP-17297Now: $40.95Was: $44.95 -
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 -
HK P7M10 Extractor
H&K Heckler & Koch
$81.95Heckler and Koch HK P7M10 Extractor Compatible With: HK P7M8HKP-01999$81.95 -
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