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Such the brand new SS109 baseball cartridges expected a good 228 mm (1-in-9 inches) twist price when you are sufficiently stabilizing the fresh lengthened L110 tracer projectile required an even reduced, 178 mm (1-in-7 inch), twist speed. Of your cartridges tendered, the newest .223 Remington (M193) try the cornerstone to possess another structure produced by FN Herstal. (more…)