Lee Auto Bench Prime
The Lee Precision Auto Bench Prime is one form of off press priming. The plastic parts are not very sturdy, but an update kit has been available since I bought this. I recommend having more than one way to prime brass for reloading in case one breaks.
Lee Precision: https://leeprecision.com/lee-auto-bench-prime.html
Spare Parts: https://leeprecision.com/new-s....tyle-replacement-sma