Answers for Does the 1:7 twist, hold a longer Round in the Chamber? I just want to be able to fire 220 grain Ammunition.

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RISE Armament + Gun Parts Rise Armament Gun Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts Rifle Barrels RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + AR 15 Parts Rise Armament AR15 Parts AR15 Barrels RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts + AR 15 Parts Rise Armament AR15 Parts AR15 Barrels RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + AR 15 Parts Rise Armament AR15 Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts + AR 15 Parts Rise Armament AR15 Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber?

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Answered by Kurt Colbourne, Gear Expert, from IL, United States, on August 17, 2021

Yes, the recommended twist rate for subsonic rounds is 1:7. The 1:8 twist rate is recommended for supersonics in 300 AAC.

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RISE Armament + Gun Parts Rise Armament Gun Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts Rifle Barrels RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + AR 15 Parts Rise Armament AR15 Parts AR15 Barrels RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts + AR 15 Parts Rise Armament AR15 Parts AR15 Barrels RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + AR 15 Parts Rise Armament AR15 Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts + AR 15 Parts Rise Armament AR15 Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber? RISE Armament + Gun Parts Rise Armament Gun Parts + Rifle Parts Rise Armament Rifle Parts RISE Armament .300 Blackout Barrel RISE Armament .300 Blackout Barrel Q&A Question - Does the 1:7 twist, hold a longer Round in the Chamber?