Features:

• Ultimate tool for barrel nut installs or removal
• Excellent for removing stubborn/seized barrel nuts without damaging upper
• Designed for muzzle device installs and will not damage index pin
• Can be used to install forward assist/port door cover
• Compatible with forged and billet upper receivers
• Machined from 4140 Ordnance grade steel
• Durable Black Oxide finished for years of use
• Will not mar or damage exterior of upper receiver
• Receiver mounted sights can be left installed
• Can be installed horizontally or vertically in bench vise
• Works with any standard M4/M16 barrel extension
• 100% Made in USA

*NOT COMPATIBEL WITH 9MM AND RIMFIRE BARRELS
*NOT COMPATIBLE WITH DPMS G2 308
*NOT COMPATIBLE WITH SIG MCX VIRTUS / SIG MCX RATTLER