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Luth-AR
Overview
The Luth-AR Complete Upper Receiver Assembly is designed for the AR-15 platform and comes equipped with a 27-inch barrel specifically chambered in .223 Remington. With a 1:9 twist rate, this upper is optimized for stabilizing a wide range of bullet weights, making it a versatile choice for various shooting applications. This assembly also features a thread pitch of 1/2x28, which is standard for attaching muzzle devices, providing flexibility in customizing your setup. You’ll commonly find this upper in builds focused on .223 Remington caliber for precision and long-range shooting.
Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/
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Builders have been adding the Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/ to their builds on GunPartPicker since February 2026. All time, it ranks #397 of the 1,709 upper receivers builders have added.
Today the one retailer we track is out of stock. Listed prices start at $468.07 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
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