Barrett’s REC7 Gen II Flyweight AR-15 in .223/5.56 with a 16-inch barrel, 20-round capacity, OD Green KeyMod rail, and reduced weight for shooters who demand reliability. For U.S. shooters who spend long days on the range or need a rifle that carries easily through brush and cover, this model addresses a common complaint: standard AR-15s can be heavy after a few hours. Barrett’s engineering team took the proven REC7 Gen II platform and shaved ounces without cutting corners on durability, making it a practical choice for varmint hunters, patrol rifle users, and those who simply prefer a lighter rifle for home defense or training.
What This Product Is and Who It’s For
The REC7 Gen II Flyweight is a direct-impingement AR-15 chambered in .223 Remington/5.56 NATO, built by Barrett—a manufacturer known for long-range precision and heavy-duty military firearms. This model is designed for shooters who want a lightweight rifle that still holds up to hard use. It suits target shooters who spend hours on the firing line, hunters who hike into remote areas, and homeowners who prioritize maneuverability for defensive purposes. It is not a specialized competition rifle, but its reduced weight and reliable gas system make it a versatile tool for anyone who needs a rifle that performs without extra pounds.
Key Spec Breakdown
- Caliber: .223 Remington / 5.56 NATO
- Barrel Length: 16 inches (with carbine-length gas system)
- Capacity: 20-round magazine (standard AR-pattern, accepts 30-round magazines)
- Overall Length: Approximately 34.5 inches (collapsible stock extended)
- Weight: 5.9 pounds (unloaded, without optics or accessories)
- Finish: OD Green Cerakote on aluminum receivers; black anodized barrel and components
- Handguard: OD Green KeyMod free-float rail (15-inch length)
- Stock: Magpul MOE SL-K carbine stock (collapsible, six-position)
- Grip: Magpul MOE-K grip
- Sights: None included (flat-top upper receiver with Picatinny rail for mounting optics)
- Muzzle Device: A2-style flash hider
- Trigger: Mil-spec single-stage trigger
- Bolt Carrier Group: Chrome-lined carrier with MPI-tested bolt
- Charging Handle: Standard AR-15 charging handle with extended latch
Feature Deep-Dive
Barrett’s REC7 Gen II Flyweight starts with a 7075-T6 aluminum upper and lower receiver, machined to tighter tolerances than many budget AR-15s. The receivers are finished in OD Green Cerakote, a durable coating that resists corrosion and scratches better than standard anodizing. This finish holds up to field use, rain, and cleaning solvents without fading or chipping easily. The lower receiver features a flared magazine well for faster reloads, and the bolt catch is oversized for gloved hands.
The 16-inch barrel is made from 4150 Chrome Moly Vanadium steel with a 1:7 twist rate, optimized for stabilizing heavier bullets like 62-grain and 77-grain loads. The barrel is chrome-lined for extended barrel life and easier cleaning, and the chamber is cut to military specifications for reliable feeding with both .223 Remington and 5.56 NATO ammunition. A mid-length gas system reduces recoil impulse compared to carbine-length systems, and the gas block is low-profile and pinned for security. The muzzle is threaded 1/2×28 and comes with an A2 flash hider that also works as a thread protector for suppressors or compensators.
The free-float KeyMod handguard is a 15-inch OD Green rail that provides ample space for mounting lights, lasers, or bipods without contacting the barrel. KeyMod slots run along the 3, 6, and 9 o’clock positions, and the rail includes a full-length top Picatinny section for mounting optics. The handguard is slim enough for smaller hands but rigid enough to hold zero with attached accessories. Barrett uses a proprietary barrel nut system that ensures consistent torque and alignment, which helps maintain accuracy over time.
Weight reduction comes from several design choices: the handguard uses a lightweight aluminum extrusion, the barrel profile is a slim contour (not a heavy bull barrel), and the stock and grip are Magpul’s lighter MOE SL-K and MOE-K components. The buffer tube is standard carbine length, and the buffer itself is a standard carbine weight—no heavy buffers needed because the gas system is tuned for this barrel length. The result is a rifle that weighs under 6 pounds empty, which is noticeably lighter than a standard M4-style AR-15 by about a pound and a half.
The bolt carrier group is chrome-lined for corrosion resistance and easier cleaning, and the bolt is shot-peened and magnetic particle inspected (MPI) for cracks. The extractor uses a standard AR-15 spring with a rubber insert for reliable extraction. Barrett also includes a properly staked gas key and castle nut, which are common failure points on lesser rifles. The charging handle has an extended latch for easier manipulation with optics, though it is not an ambidextrous design.
Barrett’s quality control includes headspace checking and function-firing every rifle before it leaves the factory. The REC7 Gen II Flyweight is assembled in the USA, and the company backs it with a limited lifetime warranty to the original owner. This is not a custom or boutique rifle, but it is built to a standard that exceeds most mil-spec requirements, with attention to fit and finish that reduces malfunctions and extends service life.
Ideal Use Cases
- Target Shooting and Range Training: The lightweight profile reduces fatigue during long sessions, and the 1:7 twist handles a wide range of bullet weights for accuracy testing.
- Varmint and Predator Hunting: Under 6 pounds, the Flyweight carries easily through fields or timber, and the 16-inch barrel provides sufficient velocity for coyotes and groundhogs out to 300 yards.
- Home Defense: Short overall length and light weight make it maneuverable in tight spaces, and the 5.56 NATO round offers effective terminal performance with proper ammunition.
- Patrol or Security Use: Dependable gas system and mil-spec components make it suitable for duty use, and the KeyMod rail allows mounting of lights and foregrips.
Compatibility Notes
- Ammunition: Functions reliably with .223 Remington and 5.56 NATO ammunition from major U.S. manufacturers. Avoid steel-cased or lacquered ammunition for best reliability and barrel life.
- Magazines: Accepts standard AR-15/M16 pattern magazines (20-round included, but 30-round Magpul PMAGs, GI aluminum, or Lancer magazines work without issue).
- Holsters: Not applicable for this rifle; consider a soft case or hard case for transport, or a gun safe for storage.
- Accessories: KeyMod-compatible accessories (bipods, grips, lights) fit the handguard. The barrel is threaded 1/2×28 for standard muzzle devices or suppressors. Optics mount directly to the Picatinny top rail.
- Parts Compatibility: Uses mil-spec buffer tubes, stocks, grips, and triggers. Aftermarket triggers and charging handles are interchangeable with standard AR-15 parts.
FAQ
1. Can this rifle be shipped directly to my home in the U.S.?
No. Per federal law, this firearm must be shipped to a Federal Firearms License (FFL) holder in your state. We will ship to the FFL dealer you provide at checkout. You may pick up the rifle from that dealer after they complete the required background check and paperwork. We ship to all 50 states, but please confirm your local laws before ordering.
2. How does the FFL transfer process work?
When you place your order, provide the name and address of your chosen FFL dealer. We will contact that dealer to confirm their license and arrange shipment. The dealer will charge a transfer fee (typically $20 to $50, depending on the shop). You will need to present a valid government-issued ID and pass a NICS background check when you pick up the rifle. We recommend contacting your FFL before ordering to confirm they accept transfers.
3. What ammunition is compatible with this rifle?
This rifle is chambered for .223 Remington and 5.56 NATO ammunition. It will fire both safely. Use brass-cased ammunition from reputable U.S. manufacturers for best reliability and accuracy. Avoid reloads, steel-cased ammunition, or ammunition with excessive pressure signs. The 1:7 twist rate stabilizes bullets from 55 grains to 77 grains, though 62- and 69-grain loads often produce the best accuracy.
4. What warranty does Barrett provide?
Barrett offers a limited lifetime warranty to the original purchaser. This covers defects in materials and workmanship for the life of the rifle. It does not cover wear items like barrels, springs, or finish damage from misuse. Barrett’s customer service is based in Tennessee, and they typically handle repairs within 4 to 6 weeks. We recommend registering your warranty on Barrett’s website after purchase.
5. What is your return policy for this firearm?
Due to federal regulations and safety concerns, we cannot accept returns on firearms for change of mind. If the rifle arrives damaged or with a manufacturer defect, contact us within 48 hours of delivery. We will work with Barrett to resolve the issue under warranty. If you have questions about fit or features before ordering, call us at the number on our website—we are happy to help you make an informed decision.
Closing CTA
This Barrett REC7 Gen II Flyweight is available now and ships to your local FFL across the United States. Order through our secure checkout, and we will handle the rest. For questions about availability, shipping, or compatibility, contact our team directly. We are a licensed FFL retailer serving U.S. customers since 2015.
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