Shop › ARISAKA ZERO RTN CLMP SPEAR LT STD ARISAKA ZERO RTN CLMP SPEAR LT STD $49.00 Arisaka Defense MCX Zero Retention Clamp, Fits Sig Sauer MCX, LT Standard Handguard, Anodized Finish, Black ZRC-SPEAR-LT Add To Cart Added! Arisaka Defense MCX Zero Retention Clamp, Fits Sig Sauer MCX, LT Standard Handguard, Anodized Finish, Black ZRC-SPEAR-LT