Bartlein: .30 Tight Barrel Blank, Stainless Steel, 29" #10 Light Palma

.30 Cal bbl, .299x.308

5 Groove

1-10 twist

Stainless Steel

• Bore Diameter tolerance = +.0005
• Groove Diameter tolerance = +.0005
• Bore and Groove uniformity along entire length of barrel +.0001/-.0000
• Twist uniformity is best in the industry. Twist can be carried out to the 4th decimal point. Example: 11.3642 A Bartlein