Nice review of the BRN 180S Gen 2. Like my Desert Eagle 50 AE, it utilizes a dual spring guide rod (instead of an AR buffer tube system). Interesting stuff.
Brownell's BRN 180S Gen2 Review - The Mag Life
BRN-180S Gen2: .300 Blackout, 10" barrel, accessible-adjustable piston system for super or subsonic ammunition.
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