Description

SA9 'Stinger PDW' 9mm Assembled Upper Receiver | 5.5" Barrel | 7" KeyMod GEN2 Handguard | KAK Flash Can Muzzle Device - The 22Mods4All SA9 'Stinger PDW' Series Complete 9mm Upper Receiver is built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The SA9 'Stinger PDW' combines the popular performance and low cost of the 9mm round with the compact, high quality reliability of the short nitride barrel only the popular Bear Creek Arsenal can provide. Lastly, the slim-line Handguard, built by Daytona Tactical, is ultra-lightweight, free-floating with a monolithic top-rail. This handguard comes built from heavy-duty T6 aluminum and is compatible for your favorite accessories. All of our 9mm uppers use a blow-back gas system removing the need for traditional gas systems. The Anderson Manufacturing upper receiver for this 9mm upper is slick-sided unique to this pistol caliber. What really sets our upper apart, however, is the integrated Last Round Bolt Hold Open (LRBHO) technology that allows for reliable bolt lock back when combined with a Glock magazine compatible lower.
CU597-KFC

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Comments

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This company has shitty uppers I have ordered in the past The front quadrille never lined up with with quad rail on the upper .. I tried explaining to them if I was going to use iron sites this would be an issue it !! It seems like all these new companies keep popping up out of Florida and California they are just piecing shit together and selling them as fast as they can know quality

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I'm not sure where you are on this issue. But, if you had problems aligning the rails I don't want you to think that it's just bad quality and feel S.O.L. Please contact me via PM so I can work on fixing your issue so that you can be happy with the money you spent and the product you received. We do not believe that mass production should ever equal a trade-off in quality, and I am more than happy to work with you to repair/replace your upper until it is satisfactory.

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1/2x28 is standard for 22cal./5.56mm muzzle devices, larger calibers usually use 1/2x36(9mm), 9/16x16(various) or 5/8x24(308/7.62) to avoid putting the wrong muzzle device on your barrel.

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The standard thread pitch for 9mm is 1/2x36, this is done to avoid putting 1/2x28, 22 caliber muzzle devices on a 9mm, it's a pain in the ass, but it'll save you from replacing the barrel after the 1st shot, lol.

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What's the barrel thread pitch?

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Probably 1/2x28 which is the standard thread pitch for most AR platforms.

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Will this fit a Palmetto 9mm lower?

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It should, I'd email them if you're worried.

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So it’s $288 with bolt and ch. Read this as “assembled” not “complete” upper!

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With BCG and Charging Handle (via dropdown) you're looking at $278

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