Recently I picked up a box of Underwood ammo from Midway and well I screwed up…thought I was getting the 115 grn +P and ended up with the 115 grn +P+… I don’t want to shoot it in any of my Pistol pistols…Would the AR9 gn3 pistol (10" barrel) be able to handle it…with out issues…
I only have the one box so it is for Self Defense in house if you will…LOL
Thanks in advance…
I believe PSA recommends up to +p only.
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It’ll handle anything once!
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Just as a follow up i have a call in.
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Thank You…
I guess for me…being Underwood’s claim about their ammo I would figure it would be within specs of most pistols…and AR type Pistols… I did fire a couple rounds out of my G19 Gen5 with out any issues and could barely tell the difference in the rounds firing… I mixed them up just to see. They did have a slightly louder bang but not much on recoil…so better to be safe I guess…
Super is correct…they will shoot once… 
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Whatever you do, don’t shoot that!
Send it to me for disposal. 