Primers for both calbiers would be small rifle...Remington 7 1/2's.
17 Fireball Center Fire: 20 Grain Hornady V-MAX H335 powder Start with 18.7 grain (vel 3541) max would be 20.6 grains (Vel 4036) OAL: 1.830
25 Grain Hornady HP X-Terminator Powder..Start with 17.7 (Vel 3414) Max would be 19.7 (vel 3688) OAL 1.800
!7 Remington Center Fire: 20 Grain Hornady V-Max IMR-4198 powder start with 17.7 grains (Vel 3801) Max would be 19.6 Grains (Vel 4123)
OAL 2.170
25 Grain Hornady HP IMR 4198 Powder start with 17.0 grains (Vel 3478) Max would be 19.3 grains (Vel 3830)
OAL 2.150