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Questions & Answers
Does this come assembled? Manufacturer Answer

Does the Luth-AR 16 in Light Weight complete upper barrel receiver assembly.... come assembled? Yes is does come completely assembled.

by Luth-AR, Manufacturer, May 13, 2026
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2 Models Available
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Product Info for Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly

Starts with our 16 in, 5.56mm Lightweight barrel made from 4140 Chrome Molly with a 1-9 in twist mated to our A3 Flattop receiver which includes our bolt carrier, charging handle, forward assist and ejection port cover. The upper is then topped off with our lo-profile gas system and our ergonomic 15 in Palm Handguard with KeyMod or M-LOK slots and a Picatinny top-rail.image

Specifications for Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly:

Manufacturer: Luth-AR
Caliber: 5.56mm
Overall Length: 26 in
Barrel Length: 16 in
Barrel Profile: Light Weight
Firearms Threads Per Inch: 1/2x28
Handguard Type: Free-Float
Muzzle Device: A2 Flash Hider
Finish: Anodized
Color: Black
Gun Model: AR-15
Fabric/Material: Aluminum
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 15 in
Gun Rail: M-LOK
Magazine Included: No
Mount Type: M-LOK
Country of Origin: USA

Package Contents:

  • Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly

Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly Orderable Models

List of Orderable Models

  • Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist, M-LOK Free Float Handguard, Black, 16, BA-L16-7M , MPN: BA-L16-7M , UPC: 812058031970 , Code: 3FN-UFH-LTH51-BA-L16-7M
  • Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x9 twist, MLOK Free Float Handguard, Black, 16, BAA3-L16M , MPN: BAA3-L16M , UPC: 812058031963 , Code: 3FN-UFH-LTH51-BAA3-L16M
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Last updated 2026-09-27 UTC.