Anybody interested in trading a .204 Ruger upper for my .450 bushmaster Complete upper? I can text pics if any interest. Mine is a BCA 16" 4150 Parkerized Heavy Barrel, .450 Bushmaster, Carbine Length Gas System, 1:24 Twist w/ 12" MLOK About 10 rounds through it. 3 Mags included. Just not for me.