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DARREL, 338-416 jmimp is a 416 Rigby necked down to 338 with a 60 degree shoulder and the shoulder is set forward .200 thousands. this is built on a 10" BAT action with a Lilga 38" 1 in 10 twist with a Christenson arms carbon wrap with a muzzel brake in a Mcmillian Big Mac Stock, I am going to shoot Elk with 300gr. Matchkings at about 2000 yards I want thi bullet on run about 3200 to 3300ftps. Thanks for you help.

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