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Radical Firearms AR-15 6.8mm SPC II FR1668SPCHBAR15RPR

Radical Firearms AR-15 6.8mm SPC II FR1668SPCHBAR15RPR

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Radical Firearms AR-15 6.8mm SPC II FR1668SPCHBAR15RPR

UPC
812495023710: MPN
FR1668SPCHBAR15RPR: Brand
Radical Firearms: Main Model
Radical Firearms AR-15 Rifles: Model
AR-15: Caliber
6.8mm SPC II: Capacity
15+1: Action
Semi-Auto: Finish
Melonite: Stock
Mission First: Sight
None, Optic Ready: Receiver
Black Anodized, 7075 T6 Aluminum: Muzzle
A2 Flash Hider: Barrel Length
16": Overall Length
42

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Sorry. My error. In my senility I overlooked your "lightweight" spring use. Those springs would certainly throw some codes and cause all sorts of experimentation. I'm still curious why the 124 Rem fails when the factory specs list identical velocities. Maybe the test barrel was longer. I'll have to chrono some. I have probably 15-20 9mm's on the rack, mostly alloy Sig and Beretta, some CZ and HK, Glock, S&W, FNH, etc., in hammer, striker and external extractor 1911 designs, use only duty weight springs, no subs or suppressors, no steel case, and don't shoot them as much anymore. They tend to be boringly reliable with major brands and reloads, with accuracy as the only variable. The Blazer was the only brand causing problems, and that out of a stiff M17. Oh, and a S&W SD9 which was such a POS that it became a test dummy.

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I can get it to run in a cz. Not in any striker fired pistol with their more radical cam. As you go to lower spring weight in striker fired other problems are introduced. I've tried. I've got 5 k of it.

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Gonna take it gun show and dump it.

Care to share the firearms it runs in for you?

https://www.glock.pro/threads/remington-umc-9mm-luger-mega-pack-good-or-bad.1425/...

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