As for forcing cones,

by former hater of plastic, Thursday, January 11, 2018, 23:31 (97 days ago) @ cubrock

perhaps dumb of me, but 1000fps does not have me worrying about barrel shank support, not even with an M&P 10.. for sure would worry about wearing out or breaking something else long before I killed a barrel. Even when I shot 250-500rds per week, hurting a barrel was the least of my worries, and about all of it was 1000fps or so, no matter the caliber. Erosion with maybe unburned 2400, maybe...but support? What? Me worry?


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