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This is the Redding heat-treated steel neck sizing bushing measured at .270 inch in diameter (part number 73270). It is one piece in Redding's huge lineup of interchangeable bushings, and it gives handloaders direct control over how much the case neck gets sized down. By picking the right bushing instead of relying on a one-size-fits-all approach, you can set just enough neck tension to hold the bullet securely without overworking the brass, which helps your cases last longer and keeps your loads more consistent round to round.
Every Redding bushing shares the same external dimensions of 1/2 inch outside diameter by 3/8 inch long, so this .270 steel bushing freely interchanges in all Redding bushing-style neck sizing dies, including the Type S Neck Die, Type S Full Length Die, and Competition bushing die sets. The bushing also self-centers on the case neck during sizing, which is a big reason reloaders chasing concentricity reach for a bushing system in the first place. Keep in mind the bushing and shellholder are sold separately from the die itself.
These are made from heat-treated steel with the sizing diameters hand-polished to a surface hardness of Rc 60-62. That hardness and polish cut down on sizing effort and friction, so each stroke feels smoother and the bushing holds up over thousands of cases. It is a simple, well-made piece of kit that does one job and does it right.
Getting the correct size is straightforward. Measure the outside neck diameter of a loaded cartridge with a precision micrometer, then subtract about .001 to .002 inch to account for brass spring-back and bullet grip. The number you land on is the bushing diameter you want, and in this case that is .270. Made in the USA by one of the most trusted names in precision reloading.
This bushing has standard 1/2 inch O.D. by 3/8 inch long dimensions, so it freely interchanges in all Redding bushing-style neck sizing dies. That includes the Type S Neck Sizing Die, Type S Full Length Die, and Competition bushing die sets. The bushing and shellholder are sold separately from the die.
Measure the outside neck diameter of a loaded cartridge with a precision micrometer, then subtract about .001 to .002 inch to allow for brass spring-back and bullet tension. If your measurement works out to .270, this is the bushing you want. It is always smart to confirm with your own loaded rounds since neck wall thickness varies between brass brands.
This is the heat-treated steel bushing (73 series) hand-polished to Rc 60-62. Redding also offers a titanium nitride coated version (76 series) that adds extra surface hardness and reduces sizing friction even further. Both share the same external dimensions and interchange in the same dies, so the choice comes down to preference and how hard you run your sizing.
Yes, that is one of the main advantages. By selecting the right bushing you only size the neck down as much as you need for proper bullet tension, rather than over-sizing and then expanding it back. Less working of the brass means longer case life and more consistent neck tension round to round.
| UPC | 611760732706 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 73270 |
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