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Note that the dimensions listed to the right are for 6×45mm SAW rounds. [1] Three versions were produced for testing in the early 1970s. An aluminum-cased version was developed, as well as the about 5 mm (0.20 in) longer 6mm SAW Long .
The AR-15/M16 can easily be converted to the 6×45mm with a simple barrel swap with few or no further modifications to the rifle. This is also true for rifles such as Ruger's Mini-14 and most bolt-action rifles chambered for the .223 Remington cartridge. [ 1 ]
To make the 6.5×68mm an awesome long-range cartridge, rifle barrels with a 200 mm to 230 mm (1 in 7.9 to 9 inch) twist rate are a better choice. Due to the large case capacity in relation to the 6.5 mm (.264 inch) caliber bore size the 6.5×68mm is very harsh on barrels. The 6.5×68mm typically wears out a rifle barrel in 500 to 1000 rounds.
Test barrel length: 24 inch Source(s): Federal Cartridge [ 1 ] / Accurate Powder [ 2 ] .30-06 Springfield wildcat cartridges are cartridges developed from a 30-06 Springfield "parent cartridge" through narrowing or widening the cartridge neck to fit a smaller or larger bullet in an attempt to improve performance in specific areas. [ 3 ]
Test barrel length: 24 inches (610 mm) Source(s): Alexander Arms Pressure-safe Load Data The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston , Texas ) and Lapua ballistician Janne Pohjoispää, as a low- recoil , high- precision rifle cartridge ...
Currently (2011) none of the major commercial ammunition manufacturers offer factory loaded 6.5-06 A-Square ammunition. There are smaller companies that custom load the cartridge [2] however, and hand-loading can be accomplished using the proper set of dies and using .25-06 Remington, .270 Winchester, or .30-06 Springfield brass and making the proper modifications to fit the 6.5-06 A-Square ...
Brittany Mahomes Gave Fans an Inside Look at Golden Raye's New Nursery, and It's Filled with the *Cutest* Crate & Barrel Finds Jael Rucker January 18, 2025 at 2:43 PM
It was designed from the beginning to optimize accuracy, barrel life, and case capacity in a 6 mm cartridge for 300–600 metres (328–656 yd) target shooting.