ATI 410 Upper

[BroncoBob]

Well I've had this upper on one of my built lowers for over a year now and have found it to be extremely fun and accurate. Only problem one will have is tracking down the correct ATI 2.5" ammo. I've now found a reliable source for this special ammo. I do get some strange looks when it ejects shot shells

[Thefeeder]

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Which brand and load in 2.5" did you find?

[BroncoBob]

Which brand and load in 2.5" did you find?

American Tactical Imports (ATI) 2.5" Rifled Slugs 1740 FPS
Specifically designed for the AT-14 410 Gauge Upper Assembly on the AR-15 Platform

[Thefeeder]

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Have you tried the Remington Slugger or the Winchester loads......both run @ 1800fps and I have a feeling that they are cheeper.

[BroncoBob]

Yes I have Winchester jams the Remington 1/5 oz slug work. I paid $159 for a case of 500

[BroncoBob]

Yes I have Winchester jams the Remington 1/5 oz slug work. I paid $159 for a case of 500 ATI slugs

[Thefeeder]

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Wow.... That is cheep

[mif_slim]

Is it smooth bore or rifled?

[BroncoBob]

Smooth Bore, it's a designed shotgun upper

[TZL]

For the price of the ATI upper you can almost get an Akdal 1919

[BroncoBob]

For the price of the ATI upper you can almost get an Akdal 1919

You are correct TZL, only thing is you have no flexibility with the Akdal. It's always a 12 gauge shotgun.

[mif_slim]

Reloading for the 410 woukd save yoy a bunch.. I might have to look into it.

[BroncoBob]

Hull crimp length is critical for these uppers otherwise you'll get jams during ejections