I started about 5-6 years ago reloading 12 ga. in 3/4 oz. It shoots just fine and I am happy with the results. My favorite hull is Remington Gun Clubs, powder 15.0 grs. Titewad, Claybuster CB0175-12 and Cheddite primer. Reload calls for 15.0 grs. but my Mec 24 bushing throws on average 14.8 grs. PSI 7200 and velocity 1150 fps.
With using Titewad and Remington hulls (Gun Club, Nitro, etc) and using Mec bushings 24 and 25 the difference in pressure using Cheddite and Fed 209A primers is 700 psi. The Cheddite 209 with 14.8 grs. is 7200 psi and the Federal 209A with a 25 bushing (15.4 grs) is 7900 psi. Many people state the Federal 209A is a hot primer but it all depends on what it is pushing powder-wise.
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