Try this ultra light 16″ Ar15 upper. Weighing in at 2 pounds without the BCG, this is one of the lightest uppers we’ve seen. We’re also including a Chrome Microbest BCG and an extended latch charging handle.
Looking for an ultralight yet high-performance AR-15 upper receiver assembly? This 2-pound sport upper is custom-built for speed, reliability, and precision. Weighing just 2 lb without the BCG, it’s perfect for fast-paced competition, hunting, or lightweight builds. It comes complete with a top-tier Microbest Chrome Bolt Carrier Group (BCG) and an extended latch charging handle—your go-to combo for ultimate performance.
Features & Specs
- Barrel: 16″ 5.56 NATO, 1:7 twist, pencil/ultralight profile, carbine-length gas system
- Receiver: 7075-T6 sport receiver—no forward assist or dust cover to cut weight
- Handguard: Ultralight M-LOK free-float rail, perfect for mounting optics and accessories
- Muzzle: 1/2×28 threaded; includes your choice of thread protector or A2 flash hider at no extra fee
Microbest Chrome BCG Included
This package features the full-spec Microbest M16 Full Chrome HPT/MPI Bolt Carrier Group, known for military-grade performance and tested reliability:
- Mil-Spec 8620 carrier with full hard chrome finish — durable and corrosion-resistant
- Carpenter 158 bolt (C158), shot peened, high pressure tested (HPT), and magnetic particle inspected (MPI)
- Mil-Spec phosphated extractor (4140 steel) with Sprinco extractor & ejector springs and Sprinco insert — improved extraction grip
- Mil-Spec gas key (4130 steel) with OCKS screws, properly staked — full chrome finish
- Chrome cam pin, firing pin, and retaining pin (4140 steel)
- Total weight approximately 11.6 oz
Why Choose This AR-15 Upper?
- Featherweight performance: At only 2 lb (without BCG), it’s one of the lightest uppers you’ll find—ideal for fast handling and low-weight builds.
- Proven reliability: Backed by Microbest’s mil-spec testing and quality, featuring the best steels and HPT/MPI inspection for safety and durability.
- Easy maintenance: Chrome BCG enhances smooth cycling, fouling resistance, and easy cleaning — especially valuable under rapid-fire conditions.
- Complete setup: Ready to shoot. Includes BCG and charging handle—just pair with your lower receiver and go.
Pair with More AR-15 Parts
Need compatible parts to finish your build? Browse our other categories:
✅ Order your 2 lb Ultralight Sport AR-15 Upper today from Midstate Firearms—your trusted partner for lightweight precision parts and mill-spec components.
Don’t select any options to the right if you want it to come as pictured for the 349 price. Any changes or selections will change the price.
