You may be right Doc I thought at one time that PTJ offered a non J-lock bolt shroud and a firing pin assembly for a 7. A quick look shows that they no longer offer a non-Jlock assembly but the shroud itself doesn’t specify. Here’s the link I’d give em a call and check.

http://pacifictoolandgauge.com/remi...mington-xp-100-bolt-shroud-aluminum.html