HK416 / MR556 Series
Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.
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HK Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...$49.95 -
HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
GSG9
$86.95GSG9 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for 922R compliance...$86.95 -
On Sale
HK416, MR556 M-LOK Handguard with Overgrip - 11"
B&T Brugger & Thomet
Now: $249.95Was: $365.00B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing improvement for the combat value of these rifles...Now: $249.95Was: $365.00 -
HK MR556, MR762 H-Key 11 Rail Segment
HKP HK Parts
$34.95HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...$34.95 -
HK MR556, MR762 Buttstock Release Lever Insert
H&K Heckler & Koch
$26.95H&K HK MR556/MR762 Buttstock Release Lever Insert Compatible With: HK MR556 HK MR762$26.95 -
HK416, MR556, HK417, MR762 Brass Catcher
H&K Heckler & Koch
$595.95HK 416, MR556 Brass Catcher The HK factory German brass catcher attaches quickly to firearms featuring a factory spec. Picatinny tri or quad rail. Designed specifically for HK firearms with factory spec Picatinny quad rail handguards but will also...$595.95 -
Out Of Stock
HK416 Vented Gas Block for 14.5" Barrels
H&K Heckler & Koch
$249.95HK German 416, MR556 14.5" & 16.5" & 20" Gas Block Complete This is the factory-correct gas block with the ambi sling attachment points, as well as the bayonet lug milled into the gas block. Perfect for those who want to swap the MR556 gas block...$249.95 -
M-Lok Optic Mount - Offset Light
Magpul
$36.95Magpul M-Lok Offset Light / Optic Mount - Aluminum The M-LOK Offset Light/Optic Mount, Aluminum provides the user with an ambidextrous platform to mount weapons lights or optics at both the 11 and 1 o'clock positions on M-LOK compatible hand guards and...$36.95 -
HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5
Nefarious Arms
$594.95Nefarious Arms HK MR556/HK416 11" A5 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER. THE MARKING IS NOT VISIBLE ONCE INSTALLED. THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...$594.95 -
HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline
H&K Heckler & Koch
$489.95H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556$489.95 -
HK 416, HK MR556 Folding Front Sight For Handguard
H&K Heckler & Koch
$134.95Folding Front Sight - German - HK416, MR556 Handguards German HK built in folding front sight for the forearms/handguards.$134.95 -
Out Of Stock
HK Ambidextrous Sling - Green
H&K Heckler & Koch
$149.95HK Ambidextrous Sling - Green This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on nearly...$149.95