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Douglas C. asked 2 weeks ago:
The barrel is made from 4140 chrome moly steel.
Ric F.
2 weeks ago
4140 chrome-moly alloy steel
Kevin M.
2 weeks ago
Hi Douglas and welcome. The Ruger Harrier 5.56 is made from 4140 chrome-moly alloy steel. Cheers and stay safe!
James G.
2 weeks ago
