HK416 / M4 THREAD ADAPTERS
For rifle silencer / moderator fitting.
M8 x .75 BARREL THREAD ADAPTER
M8x75 TO 1/2x20
M8x75 TO 1/2x28
Converts the factory thread of 8mm x .75mm to 1/2-20 UNF or 1/2-28 UNEF American standard.
Allows any 1/2" (20 UNF / 28 UNEF) moderator to be fitted to Umarex Colt .22LR, Umarex HK416 .22LR, the new Hammerli Tac R1, S&W M&P22 (Walther Design), Walther P22 Pistols, and other M8x0.75 threads).
Does NOT fit M&P Compact.
The adapter features two flat ridges for installation / removal with a wrench and includes a thread protector to protect the 1/2x20 / 1/2x28 threads for use without an accessory or when in storage.
The thread protector has a fine diamond knurl.
Option of M8x.75 to 1/2-20 or 1/2-28 TPI adapter.
The adapter and protector are made of high carbon steel, finished in black oxide.
Overall length ~ 1".
Overall diameter ~ 5/8".
Total weight ~ 17 grams.