JP MK III Signature Modular Hand Guard

Length: XL (15.5” OAL)
Platform: AR-15/M16
Tube Style: Signature
Machined from 6061 T6 aluminum with a 4140 steel barrel nut, this mid-length hand guard includes two JPHGS quick-detach sling studs.

Inside Diameter: 1.75"
Outside Diameter: 2”
Overall Length: 15.5”
Weight: 5.616 oz.(barrel nut) / 12.656 oz.(tube)
Color: Matte black hard coat anodizing

Tactical Rail Selection

Full-length 12:00 rails or the 2-inch front sight rail (JPTR-FS) can be attached directly to the top of the hand guard tube while two- and four-inch accessory rails can be mounted directly (without backer plates) to the tube at the 6:00 position using the 10-32 flathead screws included with the rail segments.

For the 3:00, 9:00 and each of the 45° positions, the Signature tube design uses rail segments with backer plates that fit into the tube slots. Refer to the table below to determine which rails you need for a given application.

Tube Position JP Tactical Rail
12:00 JPTR-XL, JPTR-R, JPTR-M, JPTR-FS
6:00 JPTR-LRC, JPTR-SRC
3:00, 9:00 and 45° JPTR-L, JPTR-S