MRP-L M-LOK Specwar 5.56mm 11.5" Assembled Upper Receiver
No ratings yetBest price
$940.50at Brownells
In stock Lowest in 30 dayschecked Nov 13, 2026
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
- 11.5" · Handguards
Specifications
- Manufacturer
- LMT Defense
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Barrel length
- 11.5"
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price 17.76% off · ends Nov 15 · exclusions apply | $940.50checked Nov 13, 2026 | In stock | Buy at Brownells | |
| Palmetto State Armory | $912.60checked Oct 12, 2026 | Check store | Buy at Palmetto State Armory | |
| Battlehawk Armory | $940.50checked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| GrabAGun | $1,109.99checked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Kentucky Gun Co | $758.99checked Nov 13, 2026 | Out of stock | Buy at Kentucky Gun Co |
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: $940.50 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $940.50 | $940.50 | $940.50 |
| Brownells | $940.50 | $940.50 | $940.50 |
| GrabAGun | $1,109.99 | $1,109.99 | $1,109.99 |
| Kentucky Gun Co | $758.99 | $758.99 | $765.52 |
| Palmetto State Armory | — | $912.60 | $912.60 |
Since Sep 27, 2026.
About this part
The MRP-L M-LOK Specwar 5.56mm 11.5" Assembled Upper Receiver is an AR-15 complete upper receiver from LMT Defense. It's sold by 5 stores (1 in stock), from $758.99 to $1,109.99. The lowest in-stock price in the last 30 days was $940.50 at Brownells.
From the manufacturer
MRP-L M-LOK SPECWAR 5.56MM ASSEMBLED UPPER RECEIVER Built with operational performance in mind, the new LMT Spec War upper was designed in partnership with some of Americas most specialized warfighters. This upper was built to utilize the new 12.5a ^2 MRP barrel as well as other 12a ^2 or greater barrels. We removed the built in forward QD swivels and extended the length over the traditional CQB length to improve ergonomics and accessory real estate. What this does is give the user a better fighting edge and increased lethality. Among keeping the classic barrel swap capability, the Spec War focuses on the need to maintain a rigid platform for mounted laser aiming and illum Mfg: Lmt Defense
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