For attachment of 9/16 inch barrel (Xpower or RAP4 marker).
OD: 1.48" or 37.6mm ID: 9/16" or 14.3mm W: 1.89" or 48mm
For use with RIS Handguard like this.
For attachment of 9/16 inch barrel (Xpower or RAP4 marker).
OD: 1.48" or 37.6mm ID: 9/16" or 14.3mm W: 1.89" or 48mm
For use with RIS Handguard like this.