LMT Defense AR-15 Flat Top Stripped Upper Receiver Start your custom AR-15 build on a rock-solid foundation with the LMT Defense Flat Top Stripped Upper Receiver. Manufactured to exceed military specifications, this mil-spec upper delivers the precision, durability, and compatibility that LMT Defense is renowned for among professionals and enthusiasts alike. Key Features & Benefits Forged Aluminum Construction: High-strength forged 7075 aluminum for maximum durability and lightweight performance. Mil-Spec Design: Fully compatible with standard mil-spec barrels, barrel nuts, and AR-15 components. Flat Top Picatinny Rail: Laser-engraved T-marks for repeatable optic mounting and return-to-zero. Complete Assemblies: Comes with forward assist and dust cover (port door) installed for convenience. Hardcoat Anodized Finish: Deep black Type III anodizing with internal dry film lubrication for superior corrosion resistance and smooth operation. LMT Quality: Built to the same exacting standards as LMT's monolithic MRP uppers-reliable under the harshest conditions. Why Choose LMT Defense Uppers? LMT Defense components are trusted by military and law enforcement for their uncompromising quality. This stripped flat top upper is the perfect starting point for building a custom rifle, whether you're assembling a duty carbine, competition gun, or recreational plinker. Its mil-spec compatibility makes it easy to pair with a wide range of barrels, handguards, and lowers. Specifications Platform: Standard AR-15 / M4 / M16 style Material: Forged aluminum, hardcoat anodized Rail: Flat top Picatinny with T-marks Included: Forward assist, dust cover assembly Part Number: L7D1A Compatibility: Mil-spec barrel nuts and components; pairs with standard AR-15 lowers Build Options & Use Cases Ideal for custom builds in 5.56 NATO, .300 BLK, or other AR-15 calibers. Combine it with LMT barrels, MRP monolithic uppers for hybrid setups, or premium optics and accessories available at Battlehawk Armory. Whether you're building from scratch or upgrading, this upper ensures a reliable, accurate platform. Add the LMT Defense Flat Top Upper Receiver to your cart at Battlehawk Armory today and take the first step toward a premium AR-15.