Quote History Quoted:
Not mentioned in the video, but I strongly suspect that muzzle device is permanently attached. Given how little it pokes past the shorter handguard it's definitely not 17.3" like the standard RDB.
Unless the LOP is longer (which it doesn't appear to be), the RDB with a 16" barrel would be below 26", so fixing the A2 to a 16" barrel is a reasonable way to meet OAL.
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RDB OAL is 27.3" with a 17.3" barrel, so action/stock is 10" and the barrel length is the remainder of OAL. A 16" barrel would give you 26" OAL.
Also, the stock is adjustable, and adds another 1.5" to
measured OAL
Extended OAL 27.5"
Compacted OAL 26"
Either way it should still be legal with a 16" barrel and no messing with the muzzle device, which would be awesome because this guy is just begging for a suppressor
My 16" AR with MOE stock in the 3rd position and an A2 flash hider has an OAL of just under 35"
This thing with a 6-8" suppressor would be a bit shorter! And it looks like it even has room for ~2" reflex mount