Forged from ordnance steel to strict, national match specs; rifled by a proprietary technique that holds lands and grooves to exceptionally close tolerances and leaves the surface finish mirror smooth. Air gauged to maintain .0002" tolerance through the bore. Feed ramps are throated for wadcutter ammo. Standard Barrel - Non-ramped, oversize hood, top and bottom lugs to achieve an exact fit for optimum match accuracy. Ramped Barrel - Fully supports the case head; gives direct feeding from magazine to chamber.