16" 458 SOCOM Upper AR 15 Assembly 15" Extended Rifle Length Rail
*Milspec forged aluminum upper receiver with forward assist and dust
assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class
2. One large single Feed Ramp for big bore cartridges. Forged from 7075 T6 aluminum. This receiver has been
correctly modified around the ejection port to allow for clearance and
proper ejection of the 458 SOCOM cartridge.
15" Extended Rifle Length Narrow Profile Free Float
Rail. Very comfortable and very light weight. M Lok slots run the entire
length of our rail at the 3, 6, and 9 o'clock postions. M Lok
compatible picatinny rail sections NOT included but are available for
purchase on our website if needed. M Lok compatible picatinny rail
sections easily attach to our rails for adding accessories like bipods,
flash lights, grips, lasers, etc.
*ER SHAW CUSTOM 16” 458 Socom 416R Stainless Steel Barrel with 1x14 twist and 5/8x32 Muzzle Threads. ER Shaw barrels are extremely accurate, high performance barrels with a
long, exceptional reputation for quality.
*.875 low profile gas block.
*Carbine Gas Tube.