Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
$1,129.95 at Ammunition Depot · 6 stores
In stock
Mk107 Mod 1-M 223 Wylde 7.75" Bbl Complete Upper Receiver
Primary Weapons Systems · Upper Receiver
No ratings yetBest price
$1,029.49at Brownells
Out of stock 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
- Patriot Ordnance Factory Renegade Plus 10.5" Complete Upper 5.5… $1,053.50at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $1,029.49checked 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.
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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 Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $1,029.49 | $1,029.49 | $1,029.49 |
Since Sep 28, 2026.
About this part
The Mk107 Mod 1-M 223 Wylde 7.75" Bbl Complete Upper Receiver is an AR-15 complete upper receiver from Primary Weapons Systems. One store lists it, Brownells at $1,029.49.
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
- 7.75" · Handguards
Specifications
- Manufacturer
- Primary Weapons Systems
- Type
- Complete
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
MK107 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: 7.75" Gas System Length: Pistol Barrel Twist Rate: 1:8 Muzzle Velocity: 2216 fps Muzzle Device: PWS Triad 556 Upper Receiver: PWS Proprietary Piston Upper, 7075-T651 Hard coat anodize, per Mil 8625 Type lll Class 2 Handguard: PWS M-LOK(TM) 7.1" Handguard (1.8" width, 2.1" height) Charging Handle: Radian Raptor(TM) Ambidextrous Charging Handle Mfg: Primary Weapons
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