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Old 08-14-2019, 10:20 AM
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spfabrication spfabrication is offline
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Join Date: Aug 2015
Location: ID
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Originally Posted by FeuerFrei View Post
No titanium is needed.
4140 seamless tube and machined cones or automotive valve stem guides and fitted spacers work real well. They last a long time.
The end pieces need to be fitted and welded on. Threaded for direct connect to the muzzle.
The magic is in turning the diy pieces on a lathe and making sure everything is centered around the bore. I saw 1 fail (baffle strike) and the guts were tossed about 30 yards or so to the front. No harm to the user or bystanders.
Hell I've seen and shot diy F1 cans made from stainless exhaust tubing on a 308 and shorty 556 rifles. AR/LAR types using standard ball ammo.
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I like to use Ti due to the 40% weight reduction over steel , and the tubes are threaded 24tpi for adapters and end cap. Bored for concentricity of course. Muffler tubing would be hard to use due to the internal seam and the fact that it's typically not round due to the manufacturing process.
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