Luth-AR 20 in Bull Barrel Complete Upper Barrel Receiver Assembly Silver/Black 20
$479.99 at OpticsPlanet · 2 stores
In stock Sale
Luth-AR Complete Upper Receiver Assembly .223 31in 24in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/
No ratings yetBest price
$484.05at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Luth-AR 20 in Bull Barrel Complete Upper Barrel Receiver Assemb… $479.99at OpticsPlanet
- Luth-AR 11.5 in Light Weight Complete Upper Barrel Receiver Ass… $408.89at OpticsPlanet
- Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm … $488.99at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $484.05Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet | |
| Kentucky Gun Co | $484.05checked Oct 22, 2026 | Out of stock | Buy at Kentucky Gun Co |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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Price history
Dashed line = out of stock. Tracking since Oct 15, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Kentucky Gun Co | $484.05 | $484.05 | $484.05 |
| OpticsPlanet | $484.05 | $484.05 | $484.05 |
Since Oct 15, 2026.
About this part
The Luth-AR Complete Upper Receiver Assembly .223 31in 24in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/ is an AR-15 complete upper receiver from Luth-AR. It's sold by 2 stores, all at $484.05.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Muzzle thread
- 1/2x28 · Muzzle devices
Specifications
- Manufacturer
- Luth-AR
- Type
- Complete
- Platform
- AR-15
- Caliber
- .223 / 5.56
From the manufacturer
Luth-AR Complete Upper Receiver Assembly .223 31in 24in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/. 223 Caliber fluted bull barrel made from 416 SST with a 1-9 twist mated to Luth-AR A3 Flattop receiver which includes bolt carrier charging handle forward assist and ejection port cover. The upper is then topped off with Luth-AR Lo-profile gas system and ergonomic 15in Palm Handguard with KeyMod slots and a Picatinny top-rail. Specifications for Luth-AR .223 Complete Upper Receiver Assembly: Manufacturer: Luth-AR Caliber: .223 Remington Barrel Profile: Bull Barrel Twist Rate: 1-9 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Silver Gun Model: AR-15 Fabric/Material: 416 Stainless Steel Gas Block Journal Size-Diameter: .936 in Handguard Length: 15 in Handguard Style: Round Rail Gun Rail: KeyMod Gun Make: AR Platform Barrel Material: 416R Stainless Steel Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Condition: New Country of Origin: USA Features of Luth-AR AR-15 Fluted Bull Barrel Complete Upper Barrel Assembly .223 Rem 416 SS Threaded Barrel - Thread Pitch 1/2 x 28 Gas Block Diameter .936 Gas Tube Length - 16 inch Carbine 18 inch 20 inch and 24 inch are Rifle 1-9 RH Barrel Twist 6 Lands and Groves M4 Feed Ramp Button Broached Package Contents: Luth-AR .223 Complete Upper Receiver Assembly What firearm models does the manufacturer say Luth-AR .223 Complete Upper Receiver Assembly is compatible with? The manufacturer says that Luth-AR .223 Complete Upper Receiver Assembly is compatible with AR-15Luth-AR FTBL-B24: Complete Upper Receiver Assembly .223 31in 24in Bull Rifle 1x9 1/2x28 Picatinny M-LOK A2 Flash Hider Anodized Manganese Phosphate Silver/ Black
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