Battle Arms Development, Inc. 13.7
The Battle Arms Development's Rigidrail 13.7 M-Lok Handguard is designed to balance between light weight and strength/rigidity. The overall length is 13.7 and the inner diameter is 1.315. M-LOK Slots at 3 6 9 and partial 12 o'clock positions and additional single M-Lock slots at four 45 degree positions for forward mounting light laser etc. It is compatible with AR-15 upper receivers and most low profile gas blocks.
FEATURES:
- Partial Picatinny Top Rail (Matching BAD556-LW Lightweight Upper Receiver)
- Barrel Nut Wrench Included
- No Barrel Nut Shims Required for Installation
