Overview Reviews Product Description Arisaka Defense MCX Zero Retention Clamp, Fits Sig Sauer MCX, 7.62 Standard Handguard, Anodized Finish, Black ZRC-SPEAR-H Product Videos Product Reviews Write a Review Write a Review × Arisaka Defense ARISAKA ZERO RTN CLMP SPEAR 7.62 STD Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *