HK416 / MR556 Muzzle Devices / Adapters
Customize your MR556, HK416 with flash hiders, muzzle brakes, or compensators. Choose from authentic HK flash hiders (including 3-prong flash hiders), aggressive aftermarket designs, and thread adapters.
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Out Of Stock
HK416, MR556 Flash Hider - Cloak - Threaded 1/2x28
Strike Industries
$44.95Strike Industries HK416/MR556 Cloak Flash Hider - 1/2x28 Strike Industries Cloak flash hider offers a compact, efficient design that disperses gas flow to minimize visible flash, especially in low light. It reduces muzzle flash to preserve night vision,...$44.95 -
HK416, MR556 Bayonet Adapter - M27 Style
H&K Heckler & Koch
$61.95Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet. Specifications Bayonet adapter only (roll pin sold...$61.95 -
JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro)
JMAC Customs
$124.95JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro) The JMac Customs 360HD is a high-performance muzzle device designed for superior durability, recoil mitigation, and compatibility with suppressors. Engineered with 360° ports for optimal...$124.95 -
Out Of Stock
HK416, MR556 Flash Hider - Threaded 15x1 RH
H&K Heckler & Koch
$0.00Heckler and Koch's Factory Correct Flash Hider - Threaded 15x1 RH Fits all HK barrels. 15x1 The right-hand thread is the thread pitch. Perfect for the SL8 and G36 type conversions. Specifications: Threaded 15x1 RH Compatible With: HK416 HK MR556 HK...$0.00 -
Out Of Stock
HK33K, G3K Flash Hider - 4 Prong - Threaded 15x1 RH
HKP HK Parts
$79.95HK Parts Extended 4 Prong Flash Hider for all HK - Threaded 15x1 RH This fits any threaded 15x1 RH HK barrel. The overall length is 4.37 inches. These are the perfect length of the G3K and HK33K style builds as they will yield a 16.1" overall barrel...$79.95