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MK III Modular Hand Guard
   Length: Mid (9.125" OAL)
   Platform: AR-15/M16-type
   Tube Style: Rapid Configuration

Machined from 6061 T6 aluminum with a 4140 steel barrel nut, this hand guard includes two JPHGS quick-detach sling studs.

Max. Compatible Barrel OD: 1.05"
Inside Diameter: 1.75"
Outside Diameter: 2"
Overall Length: 9.125"
Weight: .785 lbs
Color: Matte black hard coat anodizing or custom color Cerakote

For the purposes of color matching your components, Flat Dark Earth and Olive Drab Cerakote correspond to the same colors in the Magpul palette. Check our current lead time on custom finishes here.

Tactical Rail Selection

Any rail segments purchased at the same time as MK III Hand Guard are available at 20% off when selected from the the menus at right. All rails are anodized black regardless of any color option upgrade.

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, 3:00, 9:00 and 45° positions using the 10-32 flathead screws included with the rail segments. Refer to the table below to determine which rails you need for a given application.

Tube Position JP Tactical Rail
3:00, 9:00 and 45° JPTR-LRC, JPTR-SRC


This hand guard is not compatible with newer Bushmaster CARBON-15 rifles. Rifles with serial number E18000 or higher use a barrel nut thread size that is larger than standard, so standard AR-15 free-float hand guards cannot be installed.


Patents: 8,839,545
Product Instructions


12:00 Rail - 20% Off:

Accessory Rail 1 - 20% Off:

Accessory Rail 2 - 20% Off:

Price: $245.00