Exclusive Mk1 Alpha LT 223 Wylde 14.5"bbl 11.5" MLOK Hdgd Kodiak Brown
$1,133.49 at Ammunition Depot · 3 stores
In stock
Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
Primary Weapons Systems · Upper Receiver
No ratings yetBest price
$1,129.95at Brownells
In stock Lowest in 30 dayschecked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $1,129.95checked Nov 10, 2026 | In stock | Buy at Brownells | |
| Battlehawk Armory | $1,049.95Salechecked Oct 12, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $1,180.99checked Oct 7, 2026 | Check store | Buy at Palmetto State Armory | |
| OpticsPlanet | $1,129.95Salechecked Nov 10, 2026 | Out of stock | Buy at OpticsPlanet | |
| Ammunition Depot | $1,129.95checked Oct 10, 2026 | Out of stock | Buy at Ammunition Depot | |
| MidwayUSA | $1,209.95checked Nov 10, 2026 | Out of stock | Buy at MidwayUSA |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $1,129.95 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | — | $1,129.95 | $1,129.95 |
| Battlehawk Armory | — | $1,049.95 | $1,049.95 |
| Brownells | $1,129.95 | $1,129.95 | $1,129.95 |
| MidwayUSA | $1,209.95 | $1,209.95 | $1,209.95 |
| OpticsPlanet | $1,129.95 | $1,129.95 | $1,129.95 |
| Palmetto State Armory | — | $1,180.99 | $1,180.99 |
Since Sep 27, 2026.
About this part
The Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only is an AR-15 complete upper receiver from Primary Weapons Systems. It's sold by 6 stores (1 in stock), from $1,049.95 to $1,209.95. The lowest in-stock price in the last 30 days was $1,129.95 at Brownells.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 14.5" · Handguards
Specifications
- Manufacturer
- Primary Weapons Systems
- Type
- Complete
- Platform
- AR-15
- Caliber
- .223 Wylde
- Barrel length
- 14.5"
From the manufacturer
MK114 MOD 1-M 223 Wylde Complete Upper Receiver SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle Velocity: 2921 fps Muzzle Device: No muzzle device included. All NFA rules apply. Upper Receiver: PWS Proprietary Piston Upper, 7075-T651 Hard coat anodize, per Mil 8625 Type lll Class 2 Handguard: PWS M-Lok(TM) 13.624" Handguard (1.7" width, 2.25" height) Charging Handle: Radian Raptor(TM) Ambidextrous Charging Handle Mfg: Primary Weapons
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