MRP-L M-LOK 5.56/300 BLK 7.3" Assembled Upper Receiver
$890.10 at Brownells · 2 stores
In stock
Best price
$890.10at Brownells
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $890.10checked Oct 1, 2026 | In stock | Buy at Brownells | |
| Battlehawk Armory | $890.10Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory |
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: $890.10 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $890.10 | $890.10 | $890.10 |
| Brownells | $890.10 | $890.10 | $890.10 |
Since Sep 27, 2026.
About this part
The MRP-L M-LOK 5.56/300 BLK 9.25" Assembled Upper Receiver is an AR-15 complete upper receiver from LMT Defense. It's sold by 2 stores, all at $890.10. The lowest in-stock price in the last 30 days was $890.10 at Brownells.
Fits and works with
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 9.25" · Handguards
Specifications
- Manufacturer
- LMT Defense
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 300 Blackout
- Barrel length
- 9.25"
From the manufacturer
MRP-L M-LOK 5.56MM ASSEMBLED UPPER RECEIVER The patented LMT Monolithic Rail Platform, MRP(TM) upper receiver. The receiver and handguard are made from a single piece of forged aerospace aluminum. The barrel is held in place with a proprietary locking system that utilizes two locking bolts accessible from the right side of the receiver. The only tool needed is a standard T-30 Torx bit to tighten the bolts. This receiver requires the patented LMT monolithic barrel assembly which has a low profile gas block with straight gas tube. The MRP-L MLOK 9.25 is the carbine length receiver designed for 10.5a ^2 barrels up to 18a ^2 barrels with M-LOK compatible attachment points o Mfg: Lmt Defense
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