Pistol barrel rifling

alanint · 06-28-2011, 06:03 PM

Well, remember that my friend was shooting full auto with lead bullets at about 1,200 RPM. In a 14.5" barrel this leads up very quickly. Shooting semiauto should present a much lesser risk.

In any event, I went to a 7.5" barrel "Kitty Kat" upper, removed and plugged the gas tube and polished the entire insides. I also try to shoot only CCI minimags, which are plated, in the upper. With all these tweeks the upper runs 99% with a Ciener F/A kit. A blast to shoot all day very cheaply!!

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06-28-2011, 06:03 PM	#10
alanint User Join Date: Mar 2008 Location: Marco Island, Florida Posts: 4,867 Thanks: 1,685 Thanked 1,917 Times in 1,193 Posts	Well, remember that my friend was shooting full auto with lead bullets at about 1,200 RPM. In a 14.5" barrel this leads up very quickly. Shooting semiauto should present a much lesser risk. In any event, I went to a 7.5" barrel "Kitty Kat" upper, removed and plugged the gas tube and polished the entire insides. I also try to shoot only CCI minimags, which are plated, in the upper. With all these tweeks the upper runs 99% with a Ciener F/A kit. A blast to shoot all day very cheaply!!