#4900 - 32-20 Brass
32-20 Win, 32-20 Winchester, 32-20 WCF, 32-20 Marlin
1.28 - 1.286 O.A.L.
Designed for use in rifles and single action revolvers, this cartridge is making a strong comeback due to the increasing participation in cowboy action shooting. This cartridge can also be formed by experienced cartridge converters into .25-20* and .218 Bee*. And with special forming dies available from RCBS and Lee, you can form a shortened version of the 7.62 Nagant cartridge.
*The SAAMI spec for .25-20 & .218 Bee is smaller at the base than the .32-20 which can cause clearance issues on some rifles.
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1 review
5 April 2026 00:05
Jay406
Starling 32-20 brass: use these cases for both single shot rifle and revolvers and have formed around 200 25-20 WCF cases . Wishes starline would make a 25-20 WCF head stamped case but these work fine, lost half a dozen pieces in the forming operation which works out to around 3%, so not bad over all. That said as usual Starline holds up better than anything else, had primer pockets start get to get loose on the 6th reload with hot rifle rounds, the mild revolver loads are going strong with 10 reloads. Big thanks to Starline for making these, keeps the old guns shooting. I started with a Unertl 1885 low wall in 32-20, now I have 2 S &W prewar M&Ps, an 1905 S&W target, and a Colt Army special all in 32WCF. It also feeds a Winchester 1892 25-20 WCF and a custom Winchester 1885 in 25-20 WCF and a gain twist barrel to shot the heavy 120 gr. Spritzers. And last but not least an Australian Martini Cadet which with a little work can be made to shot with this brass. With factory ammo at over a $1 /round, Starline makes it possible to really use these firearms, not just shoot them every now and then.