The Bushmaster QRC is a semi-automatic AR-15 chambered in 5.56x45mm NATO. At 5.18 lbs. with a 16-inch barrel and a 6-position collapsible stock, it's one of the lighter AR platforms available. The 7075-T6 aluminum receiver keeps the build solid without adding unnecessary weight, and the 1:8 twist rate handles a wide range of 5.56 projectile weights well. 
 

Key Specifications 

• Model: QRC 
• Caliber: 5.56x45mm NATO 
• Barrel Length: 16 inches 
• Capacity: 10+1 rounds 
• Overall Length (OAL): Adjustable between 32.50" - 36" 
• Weight: 5.18 lbs 
• Action Type: Semi-Auto 
• Trigger Type: Mil-Spec 
• Stock Description: 6 Position Collapsible 
• Muzzle Device: A2 Flash Hider 
• Receiver Material: 7075-T6 Aluminum 
• Sights: None (Optic Ready) 
• Twist Rate: 1:8" 
   

Detailed Features 

The QRC ships without iron sights, which is a deliberate choice for buyers who plan to mount an optic right away. The A2 flash hider reduces muzzle rise and cuts the visual signature in low-light conditions. The collapsible stock adjusts to six positions, which accommodates different body types and shooting positions without tools. The mil-spec trigger is standard fare, functional and replaceable if you decide to upgrade later. 
 
The lightweight build and short overall length make it easy to handle in confined spaces, and the optic-ready flat top rail gives you a clean mounting surface for whatever glass or red dot fits your use case.

Most owners of the Bushmaster QRC in 5.56 NATO are satisfied with its reliability. The semi-automatic action cycles cleanly through a variety of ammunition, and the build holds up to regular range use without notable issues.

The 7075-T6 aluminum construction gets positive marks for feeling solid without being heavy, though some shooters who run the rifle for extended periods note the balance takes some getting used to. The optic-ready design is consistently mentioned as a plus by users who prefer to choose their own glass rather than work around a pre-installed sight.

Pricing draws generally favorable comments. Most buyers see the QRC as good value compared to other rifles in the same segment. A few users have discussed whether to invest in upgraded components over time, particularly the trigger, but that's a common conversation for any mil-spec AR.

Customer service experiences with Bushmaster vary. Some owners report smooth interactions when they needed support or parts; others have dealt with slower response times. It's worth keeping in mind if warranty support factors into your decision.