M-LOK Mk116 Mod 1-M 223 Wylde Upper Receiver W/16.1" Bbl
$1,073.45 at OpticsPlanet · 6 stores
In stock Sale
M-LOK Mk114 Mod 1-M Upper Receiver 14.5 Barrel .223 Wylde
Primary Weapons Systems · Upper Receiver
No ratings yetBest price
$999.95at Brownells
Out of stock checked Oct 24, 2026
In stock now instead
- M-LOK Mk116 Mod 1-M 223 Wylde Upper Receiver W/16.1" Bbl $1,073.45at OpticsPlanet
- M-LOK Mk111 Mod 1-M 223 Wylde Upper Receiver W/11.85" Bbl $1,129.95at Brownells
- San Tan Tactical Everything But The Lower AR-15 5.56x45mm NATO … $980.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $999.95checked Oct 24, 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.
M-LOK Mk111 Mod 1-M 223 Wylde Upper Receiver W/11.85" Bbl
$1,129.95 at Brownells · 5 stores
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San Tan Tactical Everything But The Lower AR-15 5.56x45mm NATO 11.5inch Upper Receiver Carbine Length 1-7 Twist 1/2x28 Threads Black
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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 | $999.95 | $999.95 | $999.95 |
Since Sep 28, 2026.
About this part
The M-LOK Mk114 Mod 1-M Upper Receiver 14.5 Barrel .223 Wylde is a 5.56 / .223 upper receiver from Primary Weapons Systems. One store lists it, Brownells at $999.95.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- Primary Weapons Systems
- Platform
- AR-15
- Caliber
- .223 Wylde
From the manufacturer
The MK111 MOD 1-M is perfect for shooters looking for a weapon with endless uses. Maintaining the shortest barrel length recommended for suppressed use, this compact upper receiver is one of the most popular from LE to heli-hunting. The MK111 upper receiver has an 11.85" barrel and a Triad556 Compensator. The MK116 MOD 1-M upper receiver comes from one of the most popular firearms PWS manufactures. Being a go-to for Law Enforcement communities looking for non-NFA items, this rifle can be seen in-use by over 85 LE communities in the United States. The MK116 upper receiver has a 16.1" barrel with a FCS 556 Compensator. Long stroke piston system M-LOK handguards Mfg: Primary Weapons
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