LMT MRP-L MLOK 7.25″ Upper Receiver Chassis & 8.25″ 300BLK Barrel Combo
LMT’s shortest and most compact 300BLK offering to date.
Each combo includes one 7.25″ MLOK Upper Receiver (L7NX1A) and one 8.25″ 300BLK barrel (R-L7BX1B).
The receiver and handguard are made from a single piece of aerospace grade 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 sports 4 QD sling swivel attachment locations.
Pistol length gas system and 1:7 twist.
William S. –
Bought this combo for a future LMT PDW build. Paired with their PWD lower receiver, M7DA4SH, make for a 24″ OAL with the butt stock fully extended. Just waiting for the Form1 approval. A plus for Rooftop having both in stock.
Luke (verified owner) –
I had another great experience ordering from Rooftop Defense. I picked up the LMT MRP-L MLOK 7.25″ upper receiver chassis with the 8.25″ 300BLK barrel combo, and I couldn’t be happier with it. The upper is exactly what you would expect from LMT, excellent fit and finish, rock-solid construction, and a perfect setup for a compact 300BLK build.
Rooftop Defense has been awesome to deal with. They gave me a great deal on this upper, just like they did last year when I picked up my full LMT Specwar from them. Their customer service, communication, and pricing have all been top notch. It’s always nice dealing with a vendor that actually takes care of their customers and makes the buying process easy.
I’ll definitely continue buying from Rooftop Defense. Highly recommended if you’re looking for quality gear from people who know what they’re doing and treat customers right.