Hornady product number 3075, 180gr RNSP, nominal bullet OAL is: 1.070'.

Sierra product number 2170, 180gr RNSP, nominal bullet OAL is 1.095'. Shorter is better in this regard, and cheap insurance against a possible baffle strike.Ī few quick calls to Sierra and Hornady, which are the rifle bullets I most often use identified the following: 30 caliber suppressor the shortest bullet will experience less off-axis movement at the bullet base and bullet tip. Why? Well, if your bullet happens to experience any yaw upon exiting the barrel and within your expensive. What I was looking for was the shortest projectile in this weight class. Next, I took at look at jacketed 180 gr component bullets. These persons have posted that IMR Trailboss has worked for them using barrels from 22-24 inches with 180 grain projectiles in the following charge weights using either Remington or Winchester unmodified brass:Įvery loader had their own primer preference, but all utilized a standard, non-magnum rifle primer. Without naming names, these users are experienced in reloading, and users who I know and trust. Scanning several subsonic threads in this forum, we have a great many proficient reloaders to seek info from. Of course, I make no representation of omniscience and your mileage may vary.

This is some info I have gathered from 'Hide users and some investigating on my own with a little load development thrown in. I'll give you my experience, but understand that all rifles are different in some way and to exercise caution when developing subsonic loads.

170 grain 308 subsonic trailboss