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James,

The thread diameter and pitch of the AC coded barrel I recently received from Kaehny is M13.5 x 1 LH. It is, I beleive, the same thread and barrel profile to be used on the upcoming H&K USP9 SD. One of my co-workers has a barrel from Earls, as well as one of the CCF/B&T cans. The barrel my friend has (I'll look at the date code Tomorrow or Wed) has the same M13.5 x 1 LH setup as mine. He's had it for at least a year.

The can is beautifully made, but the portion of the Nielsen Device that the barrel threads into protrudes too-short a distance from the rear of the silencer body. This causes the recoil spring guide to bump the rear of the can occasionally, and cause a stoppage. The spring on the Nielsen device also seems a bit too brawny. It appears to be the same spring used on the CCF/B&T silencer for the H&K USP .45 Tactical. The performance of the can is pretty good dry, and quite impressive when douched with a little water.

The Ti Abraxas is a great can. The small diameter, light weight, and indistructible construction add up to a great package. We've been using AGS Lith-Ease White Lithium Grease in all our cans that call for grease, and it works a great deal better than the lithium grease AWC has shipped with the Abraxas in the past. It's a little thicker, lasts longer, and turns in better overall sound suppression. You can get it from: American Grease Stick Company, Muskegon, MI 49443. It's called AGS Line, Lith-Ease White Lithium Grease, Multi Purpose, All Weather, 8 oz, Cat. No. WL-8.

Mike
 

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James,

My friends P99 barrel is identical to mine (except for the Earl's info engraved on his) and has an AA date code. Our thread protectors are different though. His has checkered knurling while mine is straight knurled.

Mike
 
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