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DOUGLAS UltrARIFLED #5 Contour Barrel Blanks. Premium grade Douglas Double XX barrels for rebarrelling. Button rifled for smoothness with tolerances for groove diameter and straightness held to 0.0005 inches. Calibers from .22 through .338 feature 6 grooves; .358, .375, and .458 feature 8 grooves. No straightening; stress relieved. SPECS: 4140 Chrome moly and stainless steel. Finished dimensions are shown in chart. Unturned blanks will be 0.025" (0.63 mm) - 0.050" (1.3 mm) larger in diameter and about 1.5" (3.8 cm) longer than shown. Not threaded or chambered. Ordering: Complete stock number from chart; Caliber; Twist; Contour. Special Orders require full payment in advance and are non-cancelable and non-refundable.
Specifications
- Manufacturer:
- Douglas
- Category:
- barrel
- Platforms:
- AR-15
- Required Component:
- Yes
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