Lightweight Kit Minus Lower Receiver w/ Col. Stock 5.56mm 26in 16in Light Weight Carbine 1x9 1/2x28Picatinny Key MOD A2 Flash Hider Anodized Man.
$587.49 at OpticsPlanet · 2 stores
In stock Sale
Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine
No ratings yetBest price
$592.19at OpticsPlanet
Out of stock Sale checked Oct 23, 2026
In stock now instead
- Lightweight Kit Minus Lower Receiver w/ Col. Stock 5.56mm 26in … $587.49at OpticsPlanet
- Luth-AR Bull Rifle Kit Minus Lower Receiver w/Fixed Stock .223 … $601.59at OpticsPlanet
- AR-15 16" Lightweight Upper W/ 14" M-LOK Combat Rail $592.70at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $592.19Salechecked Oct 23, 2026 | Out of stock | Buy at OpticsPlanet |
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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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
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Price history
Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $592.19 | $592.19 | $592.19 |
Since Oct 12, 2026.
About this part
The Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine is an AR-15 upper receiver from Luth-AR. One store lists it, OpticsPlanet at $592.19.
Specifications
- Manufacturer
- Luth-AR
- Color
- Black
- Platform
- AR-15
From the manufacturer
Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine. 56mm Overall Length: 28 in Barrel Length: 18 in Barrel Profile: Heavy Barrel Twist Rate: 1-9 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 Country of Origin: USA Package Contents: Luth-AR 18 in Mark 12 kit minus Lower Receiver w/fixed stock Fully assembled 18 in MARK 12 5.56 mm Upper with 15 in Keymod Palm Handguard MBA-1 Buttstock Assembly Complete Lower Parts Kit What firearm models does the manufacturer say Luth-AR 18 in Mark 12 kit minus Lower Receiver w/fixed stock is compatible with? The manufacturer suggests that Luth-AR 18 in Mark 12 kit minus Lower Receiver w/fixed stock is compatible with AR-15Luth-AR RKM12-18-3M: 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine
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