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Liner is the problem

I still haven't seen where anyone got the real skinny from Louis on the liner he is utilizing, is it a Redman 1:9, or did he have them made somewhere, or what? My own suspicions on a tight liner started with Gunters HMR project, where he installed a Redman liner into a MAG barrel, and had this same problem, then it began to show up in "Pig whistles". I believe that there are some tight 1:9 Redman liners out there distributed through Brownell's that are the culprit, maybe even some 1:10's, too.
I am running exceptionally with no weight, just springs, porting, and Moly Fusion. Soon, I will be able to say whether or not the 1:10 lined barrel I make can be made to function this way, or whether the liner is something that gets the best of me, in my blowback action.
The porting, and Moly Fusion, are a big part of my success, the action was scary before those additions. I wouldn't run fully jacketed ammo without Moly Fusion, the benefits are too great, and the stuff is too cheap!
 

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"The thing"

Gunter has been dogged in his insistance on getting his barrel to work, so has TFrank on his old Mossberg. Has anybody tried hand lapping one of these monsters before Moly Fusion, like I did? Maybe hand lapping a few hundred passes would "Hog it out" just right.
You'll get it Gunter, I have no doubts, and it sounds like you are really close! :t
 
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