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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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...HKP-18046$595.95 -
HK416, MR556 DMR KeyMod Extended 15" Handguard
HKP HK Parts
$249.95HKP HK MR556/416 DMR KeyMod Extended 15" HandguardHKP-18020$249.95 -
HK416, MR556, HK417, MR762 Buttstock Release Lever Pin
H&K Heckler & Koch
$6.95HK 416 & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin. Made in Germany.HKP-16860$6.95 -
HK MR556, MR762 A4 Disconnector
H&K Heckler & Koch
$18.95H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms. Compatible With: HK MR556 A1/A4 HK MR762 A1/A4HKP-21969$18.95 -
HK416, MR556 Buffer Tube
H&K Heckler & Koch
$176.95H&K HK416, MR556 Complete Receiver Extension/Buffer Tube Genuine German complete receiver extension for the HK416 5.56/.223 platforms. Compatible With: HK416 MR556 ***Packaging may say "G26". This was a typo by HK.HKP-21872$176.95 -
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...HKP-21839$594.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series
B&T Brugger & Thomet
$150.00B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...HKP-21771$150.00 -
Out Of Stock
HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T
B&T Brugger & Thomet
$144.99B&T Flash Hider with Interface for Rotex III/V/VA Swiss-made flash hider compatible with NATO A2 suppressor mounting HUB's. Specifications: Made in Switzerland Threaded M15x1 RH NATO spec Does not include face shims Compatible With: HK416,...HKP-21520$144.99 -
Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
Aimpoint
$14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...HKP-19334$14.95 -
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...HKP-00631$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...HKP-20403Now: $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...HKP-17845$34.95