We had these made for us with a pinned FSB using a Circular Handguard Cap. This means that this barrel is compatible with the Mid-Length Magpul SL Handugards and most other drop-in handguards. Get one with a VG6 Epsilon pinnable Muzzle Brake for a 16″ overall length.
|Chamber||5.56 NATO (shoots both 5.56 NATO and .223)|
|Profile||GOVT / SOCOM|
4150V Chrome Moly
|Gas System Length||Mid-Length|
|Gas Block Journal||.750|
|Feed Ramp Extension||M4|
1/2 X 28