Dark mode is

Sons of Liberty Gun Works M4-89 300 BLK AR-15 Upper - 9"

AR-15 Partial Upper Receiver

Out of stock

Sons of Liberty Gun Works M4-89 300 BLK AR-15 Upper - 9"


Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. They believe a quality, accurate and long lasting barrel is the heart of a Combat Grade weapon. They believe in properly tuned weapons using the correct gas system length and quality buffer system components. All of these beliefs are forged together to bring you the SOLGW M4-89 Complete Upper with 9" 300BLK Barrel and an A2 Flash Hider. Featuring the M89 Handguard. Does not include a BCG or Charging Handle.

Sons of Liberty Gun Works, M4-89 Complete Upper, 300 Blackout, 9" Combat Barrel, 1:7" Twist, QPQ Finish, Black, 8" M89 M-LOK Handguard, A2 Flash Hider

More Information
SKU M489UPPER-9-300
Product Type AR-15 Partial Upper Receiver
Manufacturer Sons of Liberty Gun Works
Twist Rate 1:7
Color Black
Rail Length 8"
Finish Quench Polish Quench (QPQ)
Barrel Length 9"
Caliber 300 Blackout
Google Customer Reviews Google Customer Reviews