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Hello, I am making a custom p320 and on the sig site, a 4.6” threaded barrel is compatible. Is this barrel compatible with a 3.9” slide? — 1 Answer

by Tason, from IA, United States Asked on August 19, 2022

Name Backup Tactical Sig Sauer P320 Compact 9mm Threaded Barrel (4.8)
$169.00 $155.99 Save $13.01
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Answered by Hunter, Gear Expert, from OH, United States, on August 22, 2022

The Backup Tactical Sig Sauer P320 Compact 9mm Threaded Barrel is compatible with the Sig P320 Compact with the 3.9" Sig Factory Barrel. This barrel will not fit the Sig P320 X Series. So you will need the standard P320 Compact 3.9" barrel slide.

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