Description

AR-15 350 Legend 10.5" Keymod Tactical Upper Assembly
AR-15 350 Legend 10.5" Keymod Tactical Upper Assembly - The new 350 Legend is an upgrade to your standard AR-15 platform in pistol length. 350 offers a significant increase in velocity and energy without having to buy a specialty bolt. Supercharge your AR-15 in one easy step!
Features:
Barrel Length: 10.5"
Gas System: Pistol
Barrel Profile: M4 Contour
Barrel Steel: 4150 CMV
Barrel Finish: Parkerized
Muzzle Thread: 5/8x24
Twist Rate: 1/16
Feed Ramp: 300 Blackout
Diameter at Gas Block: .750
Gas Block Type: Steel low profile
Muzzle Device: A2 Flash Hider
Receiver Material: 7075-T6 Aluminum forging
Receiver Type: A3 Flat Top
Hand guard Type: 12" free float slim keymod rail 
Barrel: 10.5" 4150 CMV parkerized barrel with a 1:16" twist, pistol-length gas system and .750 low profile steel gas block. Barrel is finished off with a slim 12" keymod rail and a 5/8x24 thread flash hider. 
Upper:  A3 flat top upper receiver is made out of 7075-T6 aluminum forgings, black hard coat anodized and comes with a forward assist and ejection port cover installed. These uppers are made for us right here in the USA by a mil-spec manufacturer. Comes in anodized black.
Comes assembled and ready to mount to your lower receiver. Does not include AR-15 BCG and Charging Handle. 
This is a custom made upper. Please allow up to 7-10 business days for your upper to be built and to ship from our facility. Holiday and special sale lead times can be longer* If your order goes beyond the listed lead time, please get in contact with us via email and we will look into your issue. 
MPN#: 10LEGEND-KEY

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