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Re: Velocity of 338 Lapua with 20 inch barrel boatanchor #8684320 03/16/14
Joined: Apr 2005 Posts: 30,908 USA J jwp475 Campfire 'Bwana
jwp475 Campfire 'Bwana J Joined: Apr 2005 Posts: 30,908 USA	Originally Posted by boatanchor Originally Posted by greentimber 300 grain Scenar ammo: 2725-2750 in a 24.5" Barrett MRAD 2625-2650 in a 20" Barrett MRAD Have to disagree with these numbers, I cut 3" off my barrel and lost 150fps Not all barrels will lose 150 fps from a 3" loss of barrel I got banned on another web site for a debate that happened on this site. That's a first

GB1

Re: Velocity of 338 Lapua with 20 inch barrel jwp475 #8686850 03/17/14
Joined: Sep 2008 Posts: 1,637 R RyanScott Campfire Regular
RyanScott Campfire Regular R Joined: Sep 2008 Posts: 1,637	Generally going from a 26-27" barrel down to 20" you will lose 200fps. If you need the rifle to fit in a particular case or bag, it's easy to live with. Still, I would get a 338 Norma Mag instead.

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