-Gen2 Jack9: Compatible w/ most AR15 pistol caliber uppers chambered in 9mm, .40 S&W or .357 SIG
-Made of 6061-T6 aluminum & anodized black
-Weighs 13 oz
-Resembles a skull
-Oversized & integral trigger guard
-Beveled magazine flare
-Full compatibility w/ all mil-spec internal parts & upper receivers
-Multi caliber mark
-Weight: 11.1 oz
-This receiver is meant for .223, 5.56, .224 Valkyrie, 300 BLK & 6.5 Grendel calibers
-Will not fit 450 Bushmaster, 458 SOCOM or 50 Beowulf
-Made from billet aluminum
-Weight: 9 oz.
FEATURES:-Inspired by the A-10 Warthog aircraft-Oversized & integral trigger guard-Beveled magazine flare-Full compatibility w/ all mil-spec internal parts & upper receivers-Multi caliber mark-Stripped-Weight: 10.3 ozAdditional Information Manufacturer Sharps Bros. ..