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ATTENTION:
Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 13.7"
AR-15 Partial Upper Receiver
Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 13.7"
$950.00
Specifications:
Handguard Length: 13"
Barrel: Sons of Liberty Gun Works 4150CoMOV 1:7 MPI HPT Barrel
Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
Twist Rate: 1/7 Twist Six Groove
Thread Pitch: 1/2-28 Threaded Muzzle
Muzzle Device: NOX Keymo Muzzle Device
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Gas Length: Mid
Barrel Finish: QPQ Corrosion Resistant Finish
Barrel Extension: QPQ coated M4 Feed Ramp Extension
High Pressure (proof) Tested (HPT)
Magnetic Particle Inspected (MPI)
Weight: 3 lbs 6.6 oz
Please NOTE: Bolt carrier group and charging handle is not included. This upper is pinned.
More Information
SKU
M489UPPER-13.7-556
Product Type
AR-15 Partial Upper Receiver
Manufacturer
Sons of Liberty Gun Works
Thread Pitch
1/2x28 (.22 cal)
Twist Rate
1:7
Color
Black
Gas System Length
Mid
Rail Length
13"
Mount
M-LOK
Platform
AR-15
Barrel Length
13.7"
Caliber
5.56 NATO
Threaded
Yes
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