precision engineering for compact Patterns. Carlson's proudly introduces their innovative new Bismuth bone buster Choke Tubes, meticulously crafted to achieve exceptional and compact patterns when used with any Bismuth ammunition. These Choke Tubes are engineered with CNC precision machining from 17-4 heat treated stainless steel, featuring an extended parallel section within the Choke that surpasses traditional factory models. After undergoing comprehensive trials with diverse loads, this Choke Tube emerges as the ultimate solution for delivering devastating patterns with Bismuth ammunition. You can choose between the mid range variant, boasting a .025 constriction, and the extended range option, featuring .040 constriction, both seamlessly accommodating lead and Hevi-Shot loads. The mid range variant is compatible with all steel shots, while the extended range option accommodates steel shots up to size #2. Elevate your shooting experience and witness the astounding bone crushing density of patterns achievable with these cutting edge Bismuth Choke Tubes, all backed by Carlson's enduring lifetime Warranty.

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