09-22-2021, 06:30 PM
(This post was last modified: 09-22-2021, 06:33 PM by Happy2Shoot.)
Quote:I'm wanting to go a little longer than my 16" BA Hanson
Not sure I would bother with only adding 2 inches. The velocity difference is small. Here is a magazine article with 16" vs 20" velocity values. Even 4" isn't much gain.
https://www.rifleshootermag.com/editoria...tion/84008
6.5 Grendel Velocities
Factory Ammo 20" 16" **delta**
100 gr. Alexander Arms Berger OTM 2,847 2,723 **124**
120 gr. Alexander Arms Barnes TSX 2,551 2,494 **57**
120 gr. Alexander Arms Nosler BT 2,600 2,535 **65**
120 gr. Wolf MPT 2,541 2,445 **96**
123 gr. Alexander Arms Lapua Scenar 2,627 2,523 **104**
123 gr. Hornady A-MAX 2,582 2,463 **119**