Invictus M-Lok Advanced Series Rail 13"

Features Tension-Mounting system (no more lock-block) Integrated QD sling mounts Our most lightweight rail Backward-compatible with original MTW barrel nuts Licensed M-LOK slots on 3 sides Manufactured in-house by Invictus Manufacturing, USA 6105 T5 Aluminum Milspec Black anodized Includes Rail Retention Screws x2 (MTW-H-223)