Ammo First Look: SIG Sauer Supersonic .300 Blackout Ammo G&A Online Editors April 7th, 2015 | More From G&A Online Editors Share0 Tweet Email Share on Facebook.Share on Twitter.Share on Google+Ever since SIG Sauer introduced its Elite Performance Ammunition line in 2014, the company has continued to update and expand its ammo offerings. Now SIG has announced it is adding a supersonic .300 AAC Blackout load to its Elite Performance lineup. The new SIG Sauer Supersonic .300 Blackout Elite Performance ammo features a match-grade 125-grain Sierra MatchKing projectile. The bullet also incorporates a unique hybrid hollowpoint design for maximum expansion on impact. relatedSIG Sauer Introduces Elite Performance .300 AAC Blackout AmmunitionIn 2014 SIG Sauer emerged into the ammo market with their introduction of Elite Performance handgun ammunition. New ... As with SIG’s previous Elite Performance 220-grain subsonic .300 Blackout cartridges, the new supersonic .300 Blackout cartridges are designed for optimal performance with semiauto rifles such as the SIG MCX or the AR-15 platform. These cartridges utilize match-grade brass cases and function with standard .223 Rem./5.56 NATO magazines without reducing capacity. “The .300 Blackout is an increasingly popular caliber with target shooters and 3-Gun competition shooters, and is also an excellent round for home defense in short-barrel rifles, including the SIG MCX and M400,” said Bud Fini, vice president of marketing for SIG Sauer. “Elite military units are also evaluating the .300 Blackout as their primary CQB load. More modern sporting rifle hunters are turning to the .300 Blackout for close-range hunting of midsize game, including hogs and deer. We are pleased to now offer our customers both supersonic and subsonic rounds to meet their shooting and hunting needs.” All Elite Performance Ammunition is manufactured in the U.S. Retail availability date and pricing on the new SIG Sauer Supersonic .300 Blackout load are not yet available. relatedFirst Look: SIG Sauer FMJ Centerfire Pistol CartridgesSIG Sauer continues to expand its line of Elite Performance Ammunition to include full metal jacket (FMJ) centerfire ... Share on Facebook.Share on Twitter.Share on Google+ Share0 Tweet Email Load Comments ( ) Don’t forget to sign up! Get the Top Stories from Guns & Ammo Delivered to Your Inbox Every Week Even More First Look Show More Get the Guns & Ammo Newsletter FREE! Get the top stories delivered right to your inbox every week. 9 Awesomely Creative Ways to Kill ZombiesRead Now! Advertisement ▶ Now on Tablets! Subscribe & Save! Temporary Price Reduction! Subscribe Now Give a Gift | Subscriber Services LIKE WHAT YOU'RE READING? Get 12 issues for the low price of just $9! Subscribe!