I have used the 156 a bit and have never been disappointed with its performance.   I have two 6.5 prc’s  a 24” & 18” detailed below
-6.5 prc, 156 Berger, 3030fps @muzzle following were all with this setup
-cow elk 1038yards - impact velocity 1986, blew through onside scapula bone - minimal meat loss on outdside shoulder meat. Huge wound channel.  Cow stood up on hind legs and fell over backwards .Found jacket and lead in offside armpit
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-Doe antelope 770 yards- impact velocity 2231, broadside in the shoulder, took 1-2 steps. Jacket fragments found throughout.
-cow elk 625yards - impact velocity 2375, behind shoulder quartering away. Wobbled stepped around in a circle. Gutless, no bullet recovered
- cow elk 727yards - impact velocity 2271, behind the shoulder broadside, went 50 yards and laid down - dead. Gutless, no bullet recovered.
-cow elk  189 yards quartering away steep angle shooting down,  impact was lower than I would have liked.  Took out bottom 1/3 of onside lung. Cow traveled 100 yards. Unable to make a follow up shot due to terrain.
-cow elk 453 yards - impact velocity 2980-  broadside, behind the shoulder,  stumbled in a circle and fell over.
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-6.5 prc, 156 Berger, 18” barrel 2909 @muzzle following were all with this setup- this was my first year hunting with this rifle 
- bull elk 739 yards, quartering away  impact velocity 2187, dropped see video
- cow elk 584 yards broadside behind shoulder, cow went 20 yards see photos with with bullet from off side against hide Bullet held together more than I have experienced before.. still came apart and did massive internal damage.
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