Sig Sauer MCX Spear LT 5.56mm 16" Upper

Out of stock
as of 02/21/2024 6:41AM CST
Store Inventory
Available OnlineOut of stock
Fountain Valley, CAOut of stock
The Colony, TXOut of stock
UPC: 798681682546

Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.

This complete upper assembly converts your Mil-Spec AR-15 lower into the MCX-SPEAR LT platform. The MCX-Spear LT upper assembly offers a full-length 16" barrel. The adjustable gas piston offers adjustability for suppressed use and the included flash hider is compatible with SLH/SLX suppressors.

Complete with upper assembly and AR lower adapter. The AR adapter allows the use of the MCX upper on a standard AR lower receiver.


Caliber 5.56 NATO / .223 Rem
Barrel Length 16"
Twist 1:7"
Operating System Gas Piston, Adjustable
Handguard MLOK
Color Black
Muzzle 1/2-28, Flash Hider (SLH/SLX Compatible)

Customer Reviews

(0.00)stars out of 5
# of Ratings: 0