---
title: "LMT DEFENSE M-LOK Rifle Length Upper Receiver"
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LMT-MLKMRP224

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/133353/main.jpg?v=1726755194)

For illustration purposes only, this image may not be an exact representation of the product.

# LMT DEFENSE M-LOK Rifle Length Upper Receiver

$1,878.99

**

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Item #

133353

Style

LMT-MLKMRP224

Condition

New

Manufacturer

[LMT Defense](https://www.kygunco.com/brand/lmt-defense)

Model

MRP

Round Capacity

25

Caliber

224 Valkyrie

Action

Semi-Auto

Barrel Length

20 in

### [MLKMRP224 LMT Rifle .224 Valkyrie 25rd 20" Barrel](https://lmtdefense.com/firearms/mlkmws)

MLKMWS Upper Receiver | Tactical Charging Handle |  
  
 S-A Bolt Carrier Group | 308MWS Lower Receiver |  
  
 16" 7.62×51 (.308) Chrome Lined 1:10" RH Twist Barrel  
  
 The MLKMWS represents one of the 3 basic LMT® .3o8 models alongside the CQBMWS and LM8MWS. This model is compatible will all MWS® barrels.  
  
 LMT® patented monolithic Modular Weapon System, MWS®. The only true monolithic rail platform, milled from a single solid piece of aerospace aluminum forging. It utilizes two locking bolts accessible from the side of the receiver to lock in the barrel extension. This patented technology engages the barrel extension for a full 360 degrees around the extension and makes the barrel removable within seconds with a return to zero of the same barrel. One receiver can utilize numerous barrels of varying length, material, and caliber.  
  
 The MLKMWS upper receiver has 19.25" of picatinny rail on the 12 o’clock position. The remaining 7 sides provide M-LOK compatible attachment points.  
  
 MWS® barrels utilize a low profile gas block and straight gas tube. They possess proprietary coating and are cryogenically treated for long term durability.  
  
 The 308MWS lower receiver features LMT® ergonomic textured grip and SOPMOD stock, ambidextrous magazine catch and safety selector. As with all LMT® lower receivers, the extension tube is coated with dry film lubricant. All MWS® lowers are outfitted with a two-stage trigger group.  
  
 This weapon system comes complete with flip-up sights, tactical two point sling, 3 grip panels, Magpul 20rd polymer magazine, torque wrench, and owner’s manual.  
  
 Caliber Options:  
  
 7.62×51 (.308): 13.5" | 16" | 20"  
  
 7.62×51 (.308) Lightweight: 13.5" | 16" (+$50)  
  
 Options for Flat Dark Earth grip and buttstock are available at no additional charge.  
  
 Options for Cerakote in Magpul Flat Dark Earth, Desert Sand, Olive Drab Green, Titanium Grey, and Burnt Bronze are available at an additional charge.  
  

**

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

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