308 AR10740 drop-in 20″ Fluted

$740.00

AR10740:

The shorter barrel in the image is our AR10740 contour, very similar to our .223 AR740 contour in our .223 barrels. Gas block size is .750″. The diameter in front of the barrel extension is 1.200″ and then the profile drops down to .750″ and then up to a shoulder for the .750″ diameter gas block section and then down to .740″ to the muzzle. Muzzle threads are 5/8 – 24.

This profile is offered in two lengths; 18″ and 20″.

20″ Specifications:

The fluted weight is 2.34 pounds in .308 Winchester. To see a .pdf drawing file of this profile – Click Here

 

In stock

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