The Sons of Liberty Gun Works M89 is a 13" M-LOK handguard that uses SOLGW's Drive Lock mounting system on AR-15 rifles. It has a full-length Picatinny top rail for optics and accessories and comes with its barrel nut. The black anodized finish matches standard AR-15 receivers.
- Fits: AR-15
- Model: M89 Drive Lock
- Length: 13"
- Attachment: M-LOK
- Top: full-length Picatinny rail
- Finish: black anodized
- Includes: barrel nut
