NcSTAR AR15 Carry Handle Adapter Mount w/ 5.25in Picatinny Rail Black. 25in long Picatinny/ MIL-STD 1913 rail adapter mount for M16/ AR15/ M4 receivers with A1 and A2 carrying handles. Specifications for NcSTAR AR Carry Handle Mount w/ Picatinny Rail: Manufacturer: NcSTAR Color: Black Gun Model: M16 M4 AR-15 Length: 5.25 in Condition: New Mount Type: Picatinny Attachment Type: Picatinny Features of NcSTAR AR Carry Handle Mount w/ Picatinny Rail Picatinny rail adapter for AR15 carry handles designed for mounting optics and accessories to the top of the carry handle Compatible with A1 and A2 receivers with the carry handles also works with most mil-spec detachable carry handles See-through channel allows the use of the iron sights when mounted into carry handle Includes mounting thumb nut Constructed of black anodized aluminum Package Contents: NcSTAR AR Carry Handle Mount w/ Picatinny Rail NcSTAR MAR6M2: AR15 Carry Handle Adapter Mount w/ 5.25in Picatinny Rail Black