The Primal is Dead Air's .45 caliber Rifle Centric yet multi-purpose silencer. Although it is optimized for rifle calibers like .458 Socom"" 45-70"" 450 Bushmaster"" etc. it can accept Dead Air's SD500 booster assembly making it usable as a handgun silencer"" making it the most versatile model in Dead Air's line-up. It can use direct thread"" KeyMo"" Xeno"" 3-lug"" or SD500 (Nielson Device) and it can eat anything from high pressure magnum calibers like .338 Lapua"" all the way down to your light duty pistol calibers. Think of it like a crescent wrench. If you could only have one wrench in your whole toolbox"" this is it. So"" whether you are looking for a great solution for your .458 or 45-70"" or just needing a do-all option while you start filling your toolbox with more dedicated models"" the Primal has you covered.