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The Barrett REC7 5.56x45 NATO gas piston semi-automatic AR-15 type lineup includes a carbine, flyweight and DMR (designed marksman rifle). All three are very similar. Let’s start by describing the carbine and describe the other two after that.

The REC7 carbine is built around a 16” barrel with grooves spiraling through its bore at a 1:7” twist ratio. Overall length is 17.3” longer and thus 33.3”. It weighs 7.2 pounds and comes standard with a 30-round magazine.

The flyweight has the same barrel, overall length, and twist. However, thanks to things like a shorter handguard, smaller 20-round magazine and simpler Magpul stock, it weighs just 6.1 pounds.

Finally, the DMR has a longer 18” barrel. It’s match-grade, made of stainless-steel, and accurate enough for a sub-MOA rating. Total length is predictably 35.3”, but it has a 1:7.7” twist ratio. Weight is 7.9 pounds, and it features a 20-round waffle-pattern magazine.

The barrel is fronted by a high-quality Barrett 3-prong flash hider or muzzle break. Barrett uses lightweight 7075-T6 aluminum for the upper and lower receiver. The receiver parts get a thick Type 3 Class 2 anodized hardcoat that’s further finished in Cerakote in either black, Tungsten Grey or Flat Dark Earth (FDE). The upper receiver architecture includes M4 feed ramps for increased reliability.

The shared feature set is excellent. For instance, the action has an integrated strike face. The anti-tilt bolt carrier is hewn from solid block of 8620 steel and has a wear resistant TB-41 DLC coating. DLC, which stands for diamond-like carbon, is a very tough coating. Nearby you get an ambidextrous 7075-aluminum and MILSPEC anodized Radian Raptor charging handle with vertical serrations where you’d expect them. And it’s Made in USA.

The gas plug has two easily set positions for unsuppressed or suppressed. With ergonomics in mind, Barrett engraves the plug with a “U” and “D” respectively. The piston is one-piece and helps vent excess gas forward. The gas block is patented, chrome-lined for durability and black nitride coated for cooler operations.

The free-float handguard has a full-length MIL-STD-1913 Picatinny rail and M-LOK slots at 3, 6 and 9 o’clock positions. The handguard has lightening ports on all its diagonal surfaces. The gun comes with Magpul Pro backup flip up iron sights that are spring loaded and easily knob adjustable for windage (rear sight) and elevation (front sight).

The Carbine and Flyweight versions get an ALG Defense QMS Trigger. QMS stands for Quality Mil-Spec. This smooth trigger has 8620 aluminum alloy and high carbon steel parts. It’s factory-set to about 6.5 pounds of pull pressure. The DMR gets an adjustable Trigger Tech Adaptable trigger that you can set for 2.5 to 5.0 pounds pull pressure. The trigger guard is slightly oversized to use with gloves. Behind it is a black Magpul MOE textured pistol grip.

All three models get Magpul stocks. The Carbine gets the Magpul MOE SL, the Flyweight has the Magpul SL-K and the DMR features the Magpul MOE SL-S.

The Carbine’s MOE SL Stock name is short for Magpul Original Equipment Mil-Spec Model Slim Line. It works with AR15/M4 carbines that use Mil-Spec receiver extension tubes. This all-black stock is Made in USA. It is ambidextrous, featuring an angled rubber buttpad, dual-side anti-snag release flap latches and a rolled toe. It weighs 9.6 ounces and has a 3.3” length of pull adjustment. This translates to a full extension length of pull of about 14.1” and 10.8” minimum.

The Magpul MOE SL-K is very similar, but a bit more compact. Weight is 7.9 ounces, and length of pull ranges from 10.3” to 13.6”.

The Magpul MOE SL-S has a pair of storage tubes with a waterproof up to 10 meters (33’) storage area nicely sealed with high visibility red O-rings. You can use them to store CR123A lithium batteries or AA batteries. There is one on each side of the stock permitting both visual and weight balance.

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