Original barrels were 5 groove left hand twist. JA barrels were not dated. No one has mentioned RIA replacement barrels. They are 4 groove right hand twist. The 2 groove barrels shoot at least as...
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Original barrels were 5 groove left hand twist. ...
Original barrels were 5 groove left hand twist. JA barrels were not dated. No one has mentioned RIA replacement barrels. They are 4 groove right hand twist. The 2 groove barrels shoot at least as...