Shop › ARISAKA ZERO RTN CLMP SPEAR 7.62 STD ARISAKA ZERO RTN CLMP SPEAR 7.62 STD $99.00 Arisaka Defense MCX Zero Retention Clamp, Fits Sig Sauer MCX, 7.62 Standard Handguard, Anodized Finish, Black ZRC-SPEAR-H Quantity: Add To Cart Added! Arisaka Defense MCX Zero Retention Clamp, Fits Sig Sauer MCX, 7.62 Standard Handguard, Anodized Finish, Black ZRC-SPEAR-H