BB0413 GREEN MTN BBRL 1" X 50 CAL 36"

Machined from finest quality American round bar stock, pre-straightened before drilling to assure minimum run out. After drilling, all barrels are reamed three times then burnished for highest quality bore finish. Rifled with 8 lands and 8 grooves with a nominal groove depth of .012. After rifling, the barrels are mounted between centers and milled octagon, assuring a bore true with the flats, then polished to a satin finish. Requires small amount of polishing of the flats before final finishing. High quality flint type forged steel breechplug (listed elsewhere) w 3 ½” tang, threaded for this barrel.

1"diameter, 50 caliber - 36" length. .500 land and .520 groove. 3/4" X 16 thread size. 1 in 70" twist.