Look to trade 28in 30 cal carbonsix

[briannelson89]

I'm really only looking to trade this barrel. It's a new carbon six 1-8 twist 30 cal 28 in 1.20 shank. I'm looking for another carbon barrel in 30 cal 18-21 in long . I'm pretty open on the twist rate. I'll post pictures tomorrow.

 

[Barehandlineman11]

Whats the shank length and diameter