10.5" 458 SOCOM Upper AR 15 Assembly Mid 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.
10" Mid Length Narrow Profile Free Float
Rail. Very comfortable and very light weight. Keymod slots run the entire
length of our rail at the 3, 6, and 9 o'clock postions. Keymod compatible picatinny rail sections NOT included but are available for
purchase on our website if needed. Keymod compatible picatinny rail
sections easily attach to our rails for adding accessories like bipods,
flash lights, grips, lasers, etc.
*ER SHAW CUSTOM 10.5” 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.
*Pistol Gas Tube.
*Compact competition muzzle brake with crush washer. *This upper assembly will fit all standard AR 15 lower receivers.
*It is HIGHLY recommended to run this upper with a D&H Tactical 458 Socom Magazine for zero feed issues and our 458 bolt carrier group. It is a 458
Socom bolt carrier group with a genuine 458 Socom bolt assembly. It
is highly recommended to use our brand bolt with 458 Socom uppers/barrels to
eliminate feeding and extraction issues that are common to 458 Socom's
that do not use this bolt. Our 458 Socom bolt assembly has MANY
specific, unique and purposeful features about it that other brand 458
Socom bolts do not have. These features are absolutely critical for
reliable, consistent performance in 458 Socom uppers. We have them available for purchase on our website.
***DOES NOT COME WITH BCG OR CHARGING HANDLE. BCG AND CHARGING HANDLE ARE AVAILABLE FOR PURCHASE ON OUR WEBSITE****
This item IS NOT A FIREARM!!! It is only "Firearm Parts", so no FFL is needed and it can be shipped directly to you. You are responsible for knowing your state or local laws. We will not ship this item to areas where it is not legal to own..
***WARNING ABOUT 458 SOCOM's***
.458 SOCOM rifles and upper halves should always be loaded from a
magazine. Do not load singly through the ejection port, a slam fire can
occur upon bolt release.
ALUMINUM GI MAGS ONLY:
.458 SOCOM rifles and upper halves should only be fed from
aluminum magazines. Polymer magazines can swell and rounds can shift
creating opportunities for misfeeds, jams, and other issues that don’t
occur with the aluminum mags.