Overview Reviews Product Description M-LOK to ARCA rail adapter, 120mm length SKU: ASMT02 The M-LOK to ARCA Adapter Rail attaches to Standard M-LOK Slots, adding Standard ARCA, R-LOCK, and MRAS QD Adaptor Mount options. Features: • M-LOK screws and nuts for mounting included. • A6061-T6 Aluminum. • 120mm/4.73" length. Weighs 2oz. Product Videos Custom Field Product Reviews Write a Review Write a Review × MCS M-LOK to ARCA rail adapter, 120mm length Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *