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Proof Research 6 CM Zermatt Arms Pre-Fit Steel Barrel – Multiple Size Options


Proof Research barrels are made to order. If the barrel is not in stock allow at least 12 weeks for shipping. 

Proof Research 6 CM Zermatt Arms Pre-Fit Steel Barrel

Proof Research 6 CM Zermatt Arms Pre-Fit Steel Barrel are designed for Zermatt Arms TL3/SR3, Origin and RimX actions. The barrel makes it easy to upgrade your rifle or change calibers. Proof’s pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on, torque it down, double check headspace and head for the range. The 6 CM Zermatt is available in several lengths, action model, muzzle thread, and contour.

Proof Research make their steel barrels in house with the exact same vow to quality and consistency as they put into the carbon fiber barrels. The drilling, rifling, and lapping process is identical to their composite barrels. They start with the same steel used in the carbon fiber barrels. It is a double stress relieved 416R stainless steel, a pre hardened chromium stainless steel that was specifically made by engineers in collaboration with rifle barrel makers to give the consistent, high quality and durability this industry demands.

* Barrels are specific to the action type/length and are not interchangeable.

Proof Research 6 CM Zermatt Arms Pre-Fit Steel Barrel Features

Excellent machinability for gun drilling and reaming, plus an exceptional finish for uniform lapping

A solid micro structure which responds to heat treatment providing a uniform hardness along the length of the barrel

A great combination of high tensile strength along with the toughness to withstand extreme chamber pressures that happens during each use

Excellent erosion wear characteristics and corrosion resistance

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Proof Research 6 CM Zermatt


Part NumberAction ModelBarrel LengthTwist RateMuzzle ThreadContourWeight
115510Origin Short24”7.511 Deg CrownMedium Sporter3lbs 6oz
121535Origin Short26”7.55/8-24Competition7lbs-5oz
115527Origin Short26”7.511 Deg CrownMedium Sporter3lbs 8oz
114186TL3/SR3 Short26”7.55/8-24Competition7lbs 5oz
114209TL3/SR3 Short26”7.55/8-24Heavy Palma5lbs 9oz
114193TL3/SR3 Short26”7.55/8-24M246lbs 4oz


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