RRA barrels

pb57

Joined: Jun 2013

Posts: 358

EE: 100% (1)

AZ, USA

Posted: 4/15/2022 3:14:46 PM EDT

I note that many RRA AR's have non-chromed barrels, which contributes to greater accuracy. Are they nitrided, untreated, or something else?

RRAMODERATOR

Joined: Sep 2005

Posts: 8510

EE: 100% (46)

IL, USA

Posted: 4/18/2022 7:53:51 AM EDT

[#1]

The bores are polished while the exteriors are manganese phosphated (Parkerized).
Steve/RRA

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