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I am building an ar 9 will this barrel work for this type of build? — 3 Answers

by manny, from CA, United States Asked on June 27, 2020

Name Spikes Tactical 300 Blackout 8.3in Medium Profile Rifle Barrel (5)
$275.00 $247.50 Save 10%
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Answered by Tie, member, from SC, United States, on March 15, 2021

If you are building an AR 9, you need a 9mm barrel not a .300 barrels. I would highly recommend you do some research on how to build before you jump into it. I built about half a dozen. The price point isn't really that different then if you were to buy a rifle already assembled.

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Answered by BRadG, member, from TN, United States, on June 29, 2021

No this is chambered in 300 AAC blackout.

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Answered by buck, member, from TX, United States, on March 23, 2021

No this is a .300 blackout. AR15 DI pattern

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