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you can use 7,62 nato in a .308 rifle but do not use .308 in a 7.62 rifle the .308 is the hotter round and generates higher chamber pressures which can be to much for a 7.72 rifle
Yes Robert. Any 308 stamped rifle can use the 7.62 x 51 since the 308 actually operates at a higher firing pressure than the 7.62. The opposite is not true if your rifle is stamped 7.62 x 51. The maximum pressure for 7.62x51mm NATO is about 58,000 psi – and 62,000 psi for commercial .308 Winchester.
Hi Robert, Yes you can use 7,62 nato in a .308 rifle but do not use .308 in a 7.62 rifle the .308 is the hotter round and generates higher chamber pressures which can be to much for a 7.72 rifle