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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Out Of Stock
HK91, G3 7.92mm Roller - (-8)
H&K Heckler & Koch
$0.00HK German Factory -8 Roller 7.92mm in size New HK German negative 8 (7.92mm) that is used for proper head spacing. Hard to find a factory HK roller in this size. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt...HKP-00346$0.00 -
Out Of Stock
HK91, G3 Firing Pin - Titanium
HKP HK Parts
$29.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...HKP-17937$29.95 -
Out Of Stock
HK MP5 Thread Protector Cap - 10mm / .40S&W - 14x.75
H&K Heckler & Koch
$0.00H&K MP5 40/10 Thread Protector Cap - Threaded 14x.75 HK German Factory Thread Protector For All MP5 40/10 Factory HK Barrels. The Thread Pitch Is Metric 14x75HKP-00422$0.00 -
Out Of Stock
HK Roller Sear For Burst Trigger Packs
H&K Heckler & Koch
$0.00H&K Roller Sear For Burst Trigger Packs New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly...HKP-01711$0.00 -
Out Of Stock
HK MP5K, SP5K Sling Swivel with Screw for End Caps and Folding Stocks and Braces
H&K Heckler & Koch
$0.00H&K B&T Style Sling Swivel with Attachment Screw Same part found on the HK German MP5K, SP5K end caps and the B&T folding brace and folding stocks. The sling swivel is made by HK in Germany the mounting hardware is made in the USA. This is...HKP-18150$0.00 -
Out Of Stock
Handguard Sling Pin - Small - Ambidextrous
HKP HK Parts
$24.95Ambidextrous Eyebolt Sling Pin - Small The ambi pin allows the user to replace the handgaurd push pin to attach a sling hook or attachment point to the sling pin loop area. This pin provides a sling attachment point with for either the left or right side...HKP-02684$24.95 -
Out Of Stock
HK MP5 Firing Pin and Spring Set - Used
H&K Heckler & Koch
$0.00H&K MP5 Firing Pin and Spring Set - Used Used German HK MP5 Firing pin with new F/P Spring. Sold as a set, pull off's from trade in German MP5's.HKP-00666$0.00