Kirby Allen does a 6.5 Allen Magnum, it is a 338 RUM necked down. 3550fps with a 140gr projectile from a 30" barrel Allen Magnum Wildcats
Kirby Allen does a 6.5 Allen Magnum, it is a 338 RUM necked down. 3550fps with a 140gr projectile from a 30" barrel Allen Magnum Wildcats
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