October 22nd 2022. Many Benchresters are considering converting their 6 PC to shoot a 30BR or Dasher for score matches or mid-range (or even 1000 yard) games. This will give you a rifle that can do double duty and give you the best bang for your buck. An action with a PPC bolt will not work with 30BR/6BR/Dasher cartridges with a larger.308-class (0.04728) rim. You can cycle larger cartridges with a 6PPC bolt (designed to fit Russian rims of.220). “Rebating case-rims… allows you to shoot a 30BR score match using your PPC action. You only need a new barrel. This will save you money on buying another bolt, receiver, rifle, or gun. This tip was provided by ShadeTree Engineering’s Butch Lambert. Butch points out that many 6 PPC benchrest shooters enjoy scoring matches. To be competitive in the BRfor score game, you will need to shoot a 30BR with a wider,.308 class rim (0.4728). diameter). You will also need a larger case if you plan to compete in 600-yard registered BR events, or in varmint matches. These cartridges also come with the larger 0.4728? rims. Rebate Your 30 BR rims
A new bolt can be purchased to convert a PPC Boltface action into larger cases. This can run into the hundreds of dollars. A simpler solution is to reduce the size of larger cases using a lathe. Butch says: “We’ve seen a lot of interest in rebating cases rims. This allows you to shoot a 30BR score match using your PPC action. All you need is a brand new barrel. If you have a PPC boltface, this will save you money on buying another bolt, receiver, rifle, or bolt. This job is easy for anyone who has access to a lathe. Yesterday, I turned 150 cases in under an hour. The lathe tool Butch uses for rebate of the case rims is shown at right. Rebating Rims: Cutting Head
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