Delta-S M-LOK Rail System 15"

- 1913 Picatinny rail at 12:00 (37 slots)
- M-LOK rail at 3:00 (8 slots), 6:00 (8 slots), 9:00 (8 slots)
- 12.8oz (with barrel nut and spanner ring)
- 6061T6 Aluminum
- Class III type 2 hard anodized
- Laser engraved
- Larger barrel nut and spanner ring included
- Inside diameter 1.7"