LMT Upper Receivers

The LMT Defense Flat Top Upper Receiver (L7D1A) is a mil-spec AR-15 flat top upper receiver machined from forged 7075-T6 aluminum with a Type III hard anodized finish. Featuring a standard flat top...

The LMT Defense MRP-L Quad Rail (Picatinny) 13.25" AR15 Upper Receiver (L7RA1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single...

The LMT Defense MRP-L Quad Rail (Picatinny) 9.25" AR15 Upper Receiver (L7S1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single...

The LMT Defense MRP-L M-LOK 13.25" AR15 Upper Receiver (L7Y1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged...

The LMT Defense MRP-L M-LOK 11.5" AR15 Upper Receiver (L7Z1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged...

The LMT Defense MRP-L Compact M-LOK 7.25" AR-15 Upper Receiver (L7NX1A) is LMT's most compact Monolithic Rail Platform upper, purpose-built for pistol-length and ultra-compact 5.56 NATO and .300...

The LMT Defense MWS .308 M-LOK Upper Receiver 15.3" (LM308BML4A) is LMT's extended large-caliber MRP-H monolithic upper receiver, offering an additional 3 inches of handguard length over the standard...

The LMT Defense MRP-H® M-LOK 12.5" AR10/AR308 Upper Receiver (R-LM308BML1) is built around the patented LMT Monolithic Rail Platform (MRP™) engineered for large-caliber platforms. Receiver and...

The LMT Defense MRP-L M-LOK 9.25" AR15 Upper Receiver (L7X1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged...

The LMT Defense MRP-L M-LOK 11.5" AR15 Upper Receiver (L7ZN2A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged...