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 OTB E1 Stock & Buffer Tube Combo
H&K Heckler & Koch
$469.95H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth...$469.95 -
HK416, MR556, HK417, MR762 Brass Catcher
B&T Brugger & Thomet
$289.95B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard. If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...$289.95 -
Out Of Stock
HK416, MR556 Quad Rail w/ Flip Up Sight
H&K Heckler & Koch
$599.95HK 416A5 9" Quad Rail With Flip Up Front Sight New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and non-suppressed...$599.95 -
HK CR556/CR762 5-Rail Segment
H&K Heckler & Koch
$39.95HK MR556, CR556 & MR762 & CR762 Rail Segment - 5 Rail ASM New Factory HK 5 slot rail segment for the CR style HKey mod rail forearms. Compatible With: CR556 MR556 (with HKey handguard installed) CR762 MR762 (with HKey handguard installed) We...$39.95 -
HK 416 (5.56/.223) German Flash Hider - 1/2x28
H&K Heckler & Koch
$95.95H&K 416 (5.56/.223) German Flash Hider - 1/2x28 This flash hider is not compatible with suppressors. Compatible With: HK 416 A5- 11" HK 416 A5- 14.5" HK 416 A5 - 16.5" HK 416 A5- 20"$95.95 -
HK AR-15 Commercial Buffer Tube
HKP HK Parts
$24.95AR-15 Commercial Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum Made in the USA 6 Position Each features a highly polished inside tube Black Mil-spec triple hard coat...$24.95 -
Ergo M-LOK QD Sling Mount
Ergo
$24.95Ergo M-LOK QD Sling Mount Compatible with any firearm featuring M-LOK attachment points.$24.95 -
On Sale
HK416, MR556 Flash Hider - Threaded 1/2x28
HKP HK Parts
Now: $23.95Was: $39.95HKP (.556/.223) Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is renowned for its effectiveness, offering a significant upgrade over...Now: $23.95Was: $39.95 -
WARCOMP Flash Hider - 5.56 / .223 - Threaded 1/2x28
Surefire
$159.95SureFire (5.56/.223) WARCOMP Flash Hider - Threaded 1/2x28 This AR15 flash hider is compatible with 1/2x28 threaded barrels. Specifications: Stainless steel DLC coating Length 2.7 inches Threaded 1/2x28 Compatible With: HK 416/MR556/MR223 HK...$159.95 -
$1.95 -
Out Of Stock
HK MR556 A4 Hammer Spring
H&K Heckler & Koch
$5.00H&K MR556 A4 Hammer Spring Genuine H&K hammer spring for the MR556 A4. Compatible With: HK MR556 A4$5.00 -
HK416, MR556 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A3
Nefarious Arms
$594.95Nefarious Arms HK 416/MR556 11" A3 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 WILL...$594.95