LMT Defense MPR-L M-Lok 11.5" "SpecWar" AR-15 Complete Upper Receiver w/ Aimpoint Pro Patrol Red Dot

LMT Defense MRP-L Specwar 12.5” Midlength M-LOK Complete Upper Receiver Group with Aimpoint PRO Patrol Rifle Optic 2 MOA Red Dot – 5.56 NATO

Now available at BattleHawk Armory, this premium LMT Defense MRP-L Specwar 12.5” Midlength Complete Upper Receiver Group with Aimpoint PRO delivers a battle-proven, duty-grade upper receiver package built for serious shooters, professional end users, and enthusiasts who demand uncompromising performance.

Developed alongside specialized warfighters, the LMT Specwar platform is one of the most advanced AR-15 upper receiver systems available. At the heart of this setup is LMT’s legendary Monolithic Rail Platform (MRP™), precision-forged from a single piece of aerospace-grade aluminum. By integrating the upper receiver and handguard into one rigid structure, the MRP design minimizes flex, improves accuracy potential, helps maintain optic and laser zero, and provides outstanding durability in hard-use environments.

This configuration includes LMT’s 12.5” chrome-lined mid-length gas barrel, a highly sought-after setup known for its smoother recoil impulse, excellent suppressor compatibility, and increased reliability. The shorter dwell time of the 12.5” mid-length system helps reduce wear on internal components while enhancing performance when shooting suppressed. The 11.5” Specwar M-LOK rail omits the forward QD sling swivel points, maximizing usable space for lights, lasers, foregrips, and other modern accessories.

The barrel is secured using LMT’s proprietary dual locking bolt system, allowing for an extremely robust barrel interface and quick barrel changes with a standard T-30 Torx wrench. Also included is LMT’s Full-Auto M16 Bolt Carrier Group, built to the same exacting standards trusted by military and professional users, along with the LMT ambidextrous charging handle featuring enhanced tactical latches for improved control and manipulation.

Topping off this elite package is the Aimpoint Patrol Rifle Optic (PRO), one of the most respected duty-ready red dots in the world. Featuring a 2 MOA red dot, the Aimpoint PRO offers fast target acquisition, excellent accuracy, and true combat-grade reliability. Its rugged hard-anodized aluminum housing is shock resistant, vibration resistant, and submersible to 150 feet, while battery life stretches beyond 30,000 hours of constant-on use. The included QRP2 mount and spacer attach easily to MIL-STD-1913 Picatinny rails, giving you a ready-to-run optic solution right out of the box.

Whether you are building a premium duty rifle, compact defensive carbine, high-end SBR, or suppressor-focused tactical setup, this LMT Specwar upper with Aimpoint PRO is a top-tier choice that combines rugged durability, modular flexibility, and professional-grade performance.

What’s Included

• 1x LMT MRP-L Specwar M-LOK Monolithic Upper Receiver, 11.5” Rail – UPC: 815415017013

• 1x LMT 12.5” 5.56 NATO Chrome-Lined Mid-Length Gas Barrel – UPC: 676538425143

• 1x LMT Full-Auto M16 Bolt Carrier Group – UPC: 815415010137

• 1x LMT Ambidextrous Charging Handle with Enhanced Tactical Latch – UPC: 815415016603

• 1x Pre-installed A2 Flash Hider

• 1x Aimpoint Patrol Rifle Optic (PRO) 2 MOA Red Dot with QRP2 Mount – UPC: 7350004383399

(Upper will be assembled before shipping)

Specifications

• Manufacturer: LMT Defense / Aimpoint

• Platform: MRP-L Specwar Monolithic Upper

• Caliber: 5.56 NATO / .223 Remington

• Barrel Length: 12.5”

• Gas System: Mid-Length

• Barrel Finish: Chrome-Lined, Cryogenically Treated

• Twist Rate: 1:7 RH

• Gas Block: Low Profile

• Gas Tube: Straight Gas Tube

• Muzzle Device: A2 Flash Hider

• Handguard Length: 11.5”

• Mounting System: M-LOK

• Top Rail: Continuous Picatinny

• Bolt Carrier Group: LMT Full-Auto M16 BCG

• Charging Handle: LMT Ambidextrous

• Receiver Construction: Monolithic Forged Aerospace Aluminum

• Optic: Aimpoint PRO Patrol Rifle Optic

• Reticle: 2 MOA Red Dot

• Mount: Aimpoint QRP2 Mount

• Battery Life: 30,000+ Hours

• Night Vision Compatible: Yes

• Waterproof Rating: Submersible to 150 ft

• Made In: USA / Sweden

Why This Setup Stands Out

• Monolithic upper receiver for exceptional rigidity and accuracy

• 12.5” mid-length gas system offers smoother function and strong suppressor performance

• Combat-proven LMT components trusted by military professionals

• Extended M-LOK rail gives ample room for lights, lasers, and accessories

• Aimpoint PRO provides proven duty-grade reliability with incredible battery life

• Premium turnkey upper package for defensive, tactical, and professional use

Upgrade your rifle with the battle-proven LMT Specwar platform and trusted Aimpoint PRO red dot — now available at BattleHawk Armory with blazing fast shipping.