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Small Base Sizer Die - Group A - Popular Rifle Cartridges


Small Base Sizer Die - Group A - Popular Rifle Cartridges
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Small Base Sizing Die
The RCBS Small Base Sizing Die is special in that it sizes the brass smaller than SAAMI specifications. This helps aid greater reliability in semi-automatic rifles like the AR-15 pattern rifle and more. If feeding reliability is a must in your semi-auto or if you're having chambering issues with your semi-auto - this is the sizing die for you.

Decreased Size, Increased Reliability
The RCBS Small Base Die sizes the brass down smaller than a standard die. This can greatly increase reliability in your semi-automatic rifles.

Failure To Go Into Battery?
If you're having issues with your rounds chambering the RCBS Small Base Die could be your perfect solution. Get that round chambered and your rifle more reliable even in dirty & adverse conditions with ammunition made with this small base die. No more hitting forward assists or fighting charging handles.