Sierra Bullets has just released 6.5 Creedmoor data! Follow this link.
223 Ackley Improved: A better 223? Whether it’s simple curiosity or a desire to increase performance, exploring different cartridges is part of being a shooter. One way to accomplish this is to purchase a new firearm. […]
Sierra .308 195 gr. Tipped MatchKing (TMK) load development: 308 Winchester and VARGET In Sierra .308 195 gr. Tipped MatchKing (TMK) REVIEW and load development: 308 Winchester and IMR 4064, we had a first look at […]
Sierra 195 gr. Tipped MatchKing (TMK) REVIEW and load development: 308 Winchester and IMR 4064 Sierra recently expanded the Tipped MatchKing (TMK) line with the introduction of a 195 grain .308 diameter bullet #7795. […]
The 300 AAC Blackout (300 BLK) is a popular alternative cartridge in the AR-15/M16 M4 (AR) community. Known for its ability to deliver heavy subsonic bullets for standard AR magazines while cycling the action in suppressed applications, […]
Sierra’s 6.5 mm (.264″) 123 and 142 grain MatchKings (SMK) are staples of the precision shooting world. Both offer exceptional precision to the marksman, but a middle weight 6.5mm option eluded those of us who […]
What is cartridge concentricity? Cartridge concentricity is how straight a cartridge is along it’s center axis. The straighter the round, the lower the concentricity. Ammunition concentricity is measured using a method called Total Indicator Runout (T.I.R.)- sometimes […]
308 Winchester load development with the Sierra 175 grain MatchKing (SMK) and IMR 4064 Powder. In this post, I’ll be developing a load for my M40A3 clone. Built on a customized Remington 700 receiver, the […]