The TST barrel clamp is compatible with 12-gauge barrels and magazine tubes with a diameter of 27mm. Keeps the magazine tube stable during firing.

Compatibility:

• Benelli M2, M2 SP, M4, Supernova
• Beretta 1301 Comp, Comp Pro, and Tactical
• Beretta A400 Xtreme Unico, A400 LITE
• Breda B12i
• Franchi Affinity
• Mossberg JM930-940
• Winchester SX4
• Winchester SXP
• Remington Versamax
• Stoeger M3000-M3K