Manson Precision RIMLESS RIFLE CARTRIDGE, .257 ROBERTS ACKLEY IMP. 40/ FINISH F257ACK

Engineered and ground by one of the most respected names in firearms reamers, Dave Manson. Superb quality reamers made to SAAMI specifications, ground from M7 steel to cut precise chambers capable of outstanding accuracy. Finish Chambering Reamers feature integral throater and solid, fixed pilots.  Throating Reamers let you customize a chambering job for non-standard bullets or additional freebore length. Available as finish reamers unless listed otherwise.