Sep 3, 2023 #1 L Leatherneck FNG Joined Mar 31, 2018 Messages 92 Location USA How many FPS would the 270 and 308 each lose respectively if both rifles were cut back to 22 inches?
Sep 4, 2023 #2 A atmat WKR Joined Jun 10, 2022 Messages 2,630 In general, guns lose about the same velocity per inch regardless of caliber: 20-30 FPS.