Brand Name: ohhunt
Type: Steel Barrel Nut
Barrel Nut External Diameter: 1.35 inch
Barrel Nut Inner Diameter: 1.24 inch
Barrel Nut Thread: American Thread 1 1/4-18UNE
Fits: AR15 223/556 series Upper Receiver with 1-1/4" 18 UNE thread
To be used in
Material: Steel
Pieces: 1
Item Package Dimensions(L x W x H): 8.2 x 5.5 x 4.2 cm

Installation Note:

1、Use , or other standard Armorer Wrench to install barrel nut, <35ft.lb. The gearwheel side should fit perfectly with the wrench, and should NOT be overtightened on the gearwheel side, or it MAY DAMAGE THE GEARWHEEL.

2、To avoid over-tightening and damaging the gearwheel, you can also use a suitable wrench to tighten the Barrel Nut body (1.35 in diameter), <35ft.lb.

3、The distance from center of barrel nut to the top of handguard rail is 1.23". If this distance is the same as the rifle receiver, the handguard rail will be flush with rifle receiver top rail.

4、Not Compatible with Bushmaster Carbon 15 rifles serial number E18000 unless Bushmaster barrel nut is used.