Home / Receiver Parts / Sons Of Liberty Gun Works / M4-Exo3 300 Aac Blackout Assembled Upper Receiver - M4-Exo 300 Aac Blackout 13.9'''' Bbl 13'''' Exo3 Rail W/Nox Brake
M4-Exo3 300 Aac Blackout Assembled Upper Receiver - M4-Exo 300 Aac Blackout 13.9'''' Bbl 13'''' Exo3 Rail W/Nox Brake
Lowest Listed Price
$855
MSRP
$0
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Updated
Aug 26, 2026
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Specifications
MPN
EXO3UPPER-13.9-300
Description
The SOLGW M4-EXO3 Upper Half comes with SOLGW's Combat Barrel and EXO3 Rail, and is available in 13.9" 300blk with pinned and welded NOX brake to bring OAL to over 16" No BCG or C/H. Mfg: Sons Of Liberty Gun Works
