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 G3/91 (7.62x51/.308) Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH
B&T Brugger & Thomet
$109.95B&T HK G3/91 (7.62x51/.308) Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH Compatible With: HK G3/91/PTR HK417/MR762 HK PSG1 7.62x51/.308 firearms threaded 15x1 RH Compatible With the Following Suppressors: M.A.R.S QD...HKP-21518$109.95 -
On Sale
.30 Cal Muzzle Brake - 3 Port - Crush Washer
Tactical Precision MFG
Now: $47.95Was: $72.99TPM 3 Port .30 Cal Muzzle Brake with Crush Washer This 3 port muzzle brake is made for any 5/8x24 application and comes with a crush washer. Specifications: Dimensions: 2″ x 0.75″ x 0.75″ Weight: 0.67 oz Threading: 5/8x24HKP-20900Now: $47.95Was: $72.99 -
HK G3 - FMP Early Type Demilled Front End
FMP HK CONTRACT
$99.95HK G3 - FMP Early Type Demilled Front End Early style G3 front end with no hanger. These are the perfect option for those doing custom builds. Good condition over all. Includes: Cocking tube Complete cocking handle assembly Trunnion Barrel pinHKP-20845$99.95 -
On Sale
Bolt Knob - Acorn - Titanium
Tactical Precision MFG
Now: $24.95Was: $48.99Acorn Bolt Knob The Acorn Bolt knob is the perfect addition for those that want to dress up their rifle. It has a good grip, and they stand out in the crowd. Features: Dimensions: 1.5" x 7/8" x 7/8 Weight: 2 oz. Material: Titanium Threading: 5/16x24...HKP-20761Now: $24.95Was: $48.99 -
HK USC, UMP Stock Block C Eyelet with Thumb Screw
HDPS
$169.95HDPS HK USC, UMP Stock Block C Eyelet / Thumb Screw Great option since factory HK UMP stocks are hard to find and expensive. The HDPS HK USC/UMP stock block "C." Each unit comes with eyelet / thumb screw design. This is the type for use with the ACE...HKP-20688$169.95 -
Navy Style - SEF - Match Trigger Group - HK SP5
H&K Heckler & Koch
$679.95Navy Style - SEF - Match Trigger Group - HK SP5 Ready to drop in your SP5 spec 9mm receiver. Great replacement for the 2 position trigger group. With the match trigger pack installed, the trigger slack take up is eliminated and travel is reduced. The...HKP-20665$679.95 -
HK G36C, SL8 Flash Hider
H&K Heckler & Koch
$165.99H&K G36C (5.56/.223) G36C Flash Hider - Threaded 15x1 RH Threaded 15x1. Perfect for HK rifle barrels and conversion barrels. Specifications: Threaded 15x1 RH Compatible With: HK G36C HK SL8 5.56/.223 Firearms Threaded 15x1 RHHKP-00630$165.99 -
On Sale
HK416, HK MR556 M-LOK Handguard with Overgrip - 11" - Coyote Tan
B&T Brugger & Thomet
Now: $249.95Was: $365.00B&T M-LOK Handguard for HK416/MR556, 11" with "Overgrip" Free-Cut on the Top Rail B&T's one-piece 11" M-LOK handguard for HK416 and MR556 rifles. The handguard is an easy to install, direct replacement requiring no gunsmithing. The...HKP-20401Now: $249.95Was: $365.00 -
Out Of Stock
HK MP5 Brace System - Modular - .22LR - Havoc
F5 MFG
$349.95F5 MFG HK MP5 .22LR Modular Brace System Havoc MBS (Modular Brace System) for the MP5 .22LR. To convert your brace into a stock, simply swap out the brace attachment interface with F5's MSS stock interface in a matter of seconds (NFA rules apply)...HKP-20195$349.95 -
HK MP5, HK93, HK94 M4 Retractable Stock
Choate
$246.99Choate HK 93, 94, MP5 M4 Telescopic Stock The M4 telescopic stock for the H&K 93/94/MP5 replaces the existing stock and gives the shooter the ability to change the length of pull. The housing is all aluminum and is attached to the same end cap that...HKP-19895$246.99 -
On Sale
G36 Handguard HK German Original Style - Gray - Incomplete - Used
Now: $24.95Was: $49.95G36 Handguard HK German Original Style - Gray - Incomplete - UsedHKP-19773Now: $24.95Was: $49.95 -
HK MP5 Binary Trigger Group - SEF Navy - BFSIII - 10mm and .40 S&W
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK binary trigger group for the MP5 .40 and 10mm firearms. The BFSIII is ideal for tactical and competition use. The BFSIII provides greatly reduced...HKP-19663$879.95