HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK Firearm Cleaning and Tuning Kit
SchleTek
$69.95SchleTek Firearm Cleaning & Tuning Kit The SchleTek Firearm Cleaning & Tuning Kit is an all-in-one solution for maintaining peak performance and reliability in your firearms. Designed for both professionals and enthusiasts, this comprehensive kit...HKP-21732$69.95 -
Out Of Stock
B&T NATO A2 to HUB Suppressor Adapter
B&T Brugger & Thomet
$250.00B&T NATO A2 to HUB Suppressor Adapter Stainless steel adapter that connects NATO-spec A2 flash hiders to any 1.375x24 TPI HUB-compatible suppressor. Features a gate lock and ratchet system for secure, repeatable mounting—used by NATO forces...HKP-21723$250.00 -
On Sale
HK USC Stock Block to Picatinny Rail
HKP HK Parts
Now: $119.96Was: $149.95HKP HK USC Stock Block to Picatinny Rail The HKP USC stock block with picatinny rail offers superior adjustability for the stock of your choice. Each stock block is crafted from billet aluminum, cerakoted for a robust finish, and includes the sling pin...HKP-21594-MNow: $119.96Was: $149.95 -
HK UMP Rear Sight Complete
OMEGA
$39.95Omega HK UMP Rear Sight Complete: All the parts needed for the rear sight on a Gideon Shadow UMP style build. New USA made parts for your build. Will only work with Gideon Shadow. Locking screw will not work with a German UMP receiver, DEF Gunz or...HKP-21266$39.95 -
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
6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 "
Tactical Precision MFG
Now: $42.95Was: $84.99TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 This lightweight titanium muzzle brake is designed by a master gunsmith and is one of the best on the market. The spiral port outlets along with the parabolic internal taper significantly...HKP-20768Now: $42.95Was: $84.99 -
Out Of Stock
HK UMP 2 Position Lower Grip Frame
HKP HK Parts
$179.95UMP - 2 Position Lower Grip Frame New UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using...HKP-19382$179.95 -
Out Of Stock
HK G36C Handguard w/ Tri Rail Set Included
H&K Heckler & Koch
$199.95HK G36C Tri-Rail ForearmNew HK German Factory G36C Forearm with both left & right side rails, bottom rail, and hand stop included. This new style forearm also comes with the heat shield installed. Forearm is made in Germany. HK G36C SL8 to G36...HKP-00618$199.95 -
Blast Diversion Shield - BDS-37 - Bravo with HD 3-Lug Adapter
JMAC Customs
$229.95JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug Adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...HKP-20521$229.95 -
HK MP5 Magazine Spring - .22LR - 10 Round
HKP HK Parts
$3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...HKP-20297$3.95 -
$14.95 -
Out Of Stock
Folding Stock - SS-8 with 1913 Folding Mech
JMAC Customs
$284.99JMAC Customs SS-8 Folding Stock w/1913 Folding Mech Skeleton stock 8" with 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG...HKP-20146$284.99