Gas Block for a .308?

[Religious Shooter]

I'm looking for a .750 gas block. It is for a .308 carbine to be used for 3 gun. The gas block will be under the handguard (JP XL). I like the PRI blocks:

http://www.precisionreflex.com/Detail.aspx?PROD=186780

My concern is that the PRI only has two screws. Does the .308 generate recoil/heat where you need a clamp style or a 3 screw gas block?

[kurtm]

The PRI will hold just fine, BUT you need to drill a small divit in the barrel where one of the screws sits so it can hold it from moving. When I did my 308 I just found the right sized drill and removed one of the screws and used the hole for a guide. Just drill so there is a shalow cone, no need to drill any deeper than that. and use hi-temp red!

[CraigS.]

I have used the .750 micro style steel gas block from Yankee Hill with zero problems

on my .308,

As Kurt said the set screw dimples are a good idea to help keep your

gas block from shifting ,your XL handguard will protect it as well.

Edited September 28, 2011 by CraigS.

[Mike P]

I tried the PRI and couldn't get it to adjust. I now use a JP.

[HRider]

I have a Daniel Defense low profile gas block (clamp style) under a JP XL handguard on my AR10. I have not had any problems, but I have only had it since March.

Hurley