Details
Barrel, 20" Ultramatch Bull barrel, chambered in .223 Remington with 1x8" twist.
Olympic Arms Ultramatch barrels are known world-wide as some of the most accurate barrels available.
Chambered in SAAMI .223 Remington minimum with a 1x8 twist rate for heavier bullets
Manufactured in-house from double stress relieved and Magna-fluxed (electronic particle testing) 416 stainless steel bar stock, drilled, reamed, and then Broach-cut using a patented progressive broaching system where all four lands and grooves are cut at the same time. This process adds ZERO stress to the barrel blank. Barrels are then air-gauged for consistency, and then turned to the contour and dimensions needed.
This barrel is Standard with a 1x8" twist. All SUM (Stainless Ultramatch) barrels are chambered in SAAMI minimum .223 Remington to provide the greatest level of accuracy.
1x10 best for 55-65 gr bullets
1x8 best for 68 and up.
Used .940" gas block.
Additional Information
| SKU | sumbull201x8 |
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