UNR Reaming Machines

UNISIG’s flexible UNR series reaming machines are an integral step in the manufacturing of rifle barrel blanks. Performing reaming after gundrilling using a UNR series machine produces an extremely round, accurate bore. Reaming further improves the finish achieved during gundrilling to make barrel blanks ready for rifling.

UNR series machines are available as exclusive reaming machines for three-machine rifle barrel production cells, and as combination gundrilling and reaming machines for two-machine production cells.

Description UNR*
Tooling Type Reaming
Max Reaming Diameter 0.75 in
Number of Spindles 1 – 2
Barrel Length Max 30 in
* Express Delivery Available
Description UNR*
Tooling Type Reaming
Max Reaming Diameter 20 mm
Number of Spindles 1 – 2
Barrel Length Max 750 mm
* Express Delivery Available