BSF Carbon Fiber 9mm AR15 Barrel - 16" - Grey
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Photo of the target is a group we shot with this barrel (see video below). It's 5-shot group at 50 yards with Remington 147g Golden Saber ammo. That's 4 shots measuring 0.55" (center to center) plus the flyer which was the first shot of the group. Incredible accuracy for a 9mm carbine!
After turning down the barrel, BSF jackets a 416R Stainless steel match barrel in a roll-wrapped carbon fiber sleeve and load it under tension. BSF uses this jacketing method rather than wrapping the barrel in carbon fiber because this method of wrapping has been proven to trap heat and cause delamination. The carbon fiber BSF uses is specially designed to move at the same expansion rate as 416R stainless steel. Holes are drilled into the carbon fiber allowing air to move around the barrel and vent heat quicker without any delamination issues. Using the Carbon Fiber this way keeps the rifling straighter the warmer the barrel gets because it's under tension. This allows the barrel to maintain superior stiffness and strength while keeping the barrel extremely lightweight.
I can't wait for you guys to get these in. I've got my PCC build waiting on one!
I got my barrel in and get it assembled and man does this thing shoot! Stupid accurate especially with the 147g bullets. Well worth the money.