Experience Carlson's groundbreaking Bismuth bone buster Choke Tubes, meticulously designed to deliver exceptional, tightly focused patterns when paired with any Bismuth ammunition. These tubes are the result of precise CNC machining using 17-4 heat treated stainless steel, featuring an elongated parallel section within the Choke that outperforms traditional factory variants. Thoroughly tested with diverse loads, these chokes are the ultimate choice for achieving devastating Bismuth patterns. Whether you opt for the mid range (with a .025 constriction) or the extended range (with a .045 constriction), these Bismuth chokes effortlessly handle lead and Hevi-Shot loads. The mid range version complements all steel shot types, while the extended range variant accommodates steel shot up to #2 size. Elevate your shooting prowess with these cutting edge Bismuth Choke Tubes, backed by Carlson's all-encompassing lifetime Warranty.

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