goon2goblinLMT MRP-L 13.25 M-LOK Monolithic Upper Receiver LMT MRP-L 13.25 upper M-LOK monolithic chassis Lewis Machine Tool MRP upper receiver Cash: $825 shipped Trade Value: $950 ⸻ Description Like-new LMT MRP-L 13.25” M-LOK monolithic upper receiver, zero rounds. LMT’s Monolithic Rail Platform (MRP) is one of the most respected upper receiver systems in the industry. The one-piece forging provides exceptional rigidity and durability compared to traditional two-piece upper/handguard setups. This design eliminates rail shift and maintains precise barrel alignment under hard use. Key advantages of the MRP system: • Monolithic construction for superior strength and rail rigidity • Quick-change barrel system allowing caliber and barrel swaps with LMT barrels • Extremely tight tolerances and duty-grade reliability • Preferred platform for hard-use rifles and premium builds The 13.25” M-LOK configuration has become one of the most sought-after lengths for modern rifle setups, offering excellent rail space while maintaining balanced handling. Condition is essentially new with zero rounds fired. 💳 Payment: Zelle preferred or PayPal G&S and Venmo (buyer covers fee) 🔄 Trades: For trade interests, check out my ISO listing. Trades in my favor only.
💳 Payment: Zelle preferred or PayPal G&S (buyer covers fee) 🔄 Trades: For trade interests, check out my ISO listing. Trades in my favor only.
