Most shooters do not know that the barrels on Ruger 77/22s can be easily upgraded. Volquartsen Match Grade Barrels are made with Tension technology. The bores are hand lapped, which makes them very easy to clean and care for. All barrels are .920 diameter with a 1 in 16" twist, and are 16-1/4" long. 22 Long Rifle only.
Volquartsen advises that THM barrels should not be used with CCI Stinger ammunition Features:
THM= Tension Honed Match
Specially tapered and honed match barrel and chamber
Drop in barrel, no gunsmithing required
After aligning the exractor cut, it may be necessary to use a rubber mallet to fit the barrel to the receiver
Barrel has a .473" steel core tensioned between centers with an aluminum sleeve. Tension is set at the factory
Removing or tampering with end caps voids warranty
Do not use any metal items (bronze, brass or stainless steel) for cleaning
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