Originally Posted by
HemiChallenger
Every other 16" .450bm upper I see is carbine length gas. Even the damn bushmaster brand 20" barrel is carbine length gas. I'm questioning the "over gassed" assumption at the moment. MY bud who was with me for this outing is waiting for mags for his upper. He has 3 different buffers and 3 different springs he can try in 3 different lowers. I guess we shall see.
Manually cycling the rounds with the charging handle resulted in nicked/lightly touched primers. Was a little eyebrow raising when we picked the rounds off the ground.
The red dot I had lying around, I didnt go out and buy it.