Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
$1,129.95 at Ammunition Depot · 6 stores
In stock
Mk114 Mod 2-M 223 Wylde 14.5" Bbl Complete Upper W/FSC 556
Primary Weapons Systems · Upper Receiver
No ratings yetBest price
$974.96at Brownells
Out of stock Sale checked Oct 23, 2026
In stock now instead
- Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only $1,129.95at Ammunition Depot
- Exclusive Mk1 Alpha LT 223 Wylde 14.5"bbl 11.5" MLOK Hdgd Kodia… $1,133.49at Ammunition Depot
- Dark Storm Industries DS-15 Complete Upper 16" Lightning 5.56 T… $949.95at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $974.96Salechecked Oct 23, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Exclusive Mk1 Alpha LT 223 Wylde 14.5"bbl 11.5" MLOK Hdgd Kodiak Brown
$1,133.49 at Ammunition Depot · 3 stores
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Dark Storm Industries DS-15 Complete Upper 16" Lightning 5.56 Threaded Black 5.56
$949.95 at OpticsPlanet
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MRP-L M-LOK Shovelnose 5.56mm 11.5" Assembled Upper Receiver
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $974.96 | $974.96 | $974.96 |
Since Sep 28, 2026.
About this part
The Mk114 Mod 2-M 223 Wylde 14.5" Bbl Complete Upper W/FSC 556 is an AR-15 complete upper receiver from Primary Weapons Systems. One store lists it, Brownells at $974.96.
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
From the manufacturer
MK114 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle Velocity: 2921 Muzzle Device: PWS FSC 556 (Pinned and Welded) OR 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 PicLok(TM) 13.574" Handguard (1.7" width, 2.25" height) Charging Handle: Radian Raptor(TM) Ambidextrous Charging Ha Mfg: Primary Weapons
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