Beretta 12 gauge barrel tube assembly by TS

Beretta 12 gauge barrel tube assembly by TS. 

Barrel tube assembly compatible with 12 gauge barrel and ToniSystem magazine tubes or tubes with 27mm diameter. The function of this assembly is to keep the magazine tube stable during shooting. Compatible with Beretta 1301 Comp pro - Beretta 1301 Tactical - Beretta 1301 Comp.