Luth-AR 20" Bull Barrel Complete Upper Barrel Receiver Assembly

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20" Bull Barrel Complete Upper Barrel Assembly

Features and Specifications:
Manufacturer Number: FTBL-B20

Palm Handguard Vented 15" KeyMod with Barrel Nut (HG-V-15K)
Triangular profile free float tube
Material: 6061-T6 Aluminum
Finish: Black hard coat annodized
Weight: 1.05 lbs.

20" Bull Barrel, Fluted, Threaded 416 SST (BL-B20FT)
Material: 416 Stainless Steel
Pitch: 1/2 x 28
Gas Block Diameter: .936
Gas Tube Length: 20" Carbine
1-9 RH Barrel Twist

A3 Upper Receiver Assembled (FTT-EA1)
Material: 7075-T6 Aluminum
12 Position Picatinny Accessory Rail

Fully Assembled Bolt Carrier .223 (BC-A-223)
Bolt Carrier
Carrier Key
Firing Pin
Cam Pin
Firing Pin Retaining Pin

Carbine Gas Tube (BL-04A)
Material: Stainless Steel
Weight: 1 oz.
Length: Carbine 9 3/4"

Gas Block .936 (GB-LP936)
Weight: 1.6 oz.
Inner Diameter: 0.936"
Finish: Black Manganese Phosphate
Double Inspected and highest quality
Made in USA
Includes: Two 8-32 Set Screws, Two Roll Pins

Item#: ARR-089-155