Ballistic Advantage Bapa100049 Ba Ar 15 Uppr Rcvr

The Ballistic Advantage AR-15 upper receiver is a precision-forged component built to mil-spec standards for shooters assembling or upgrading an AR platform rifle. Machined from 7075-T6 aluminum and finished in hard-anodized black, this assembled upper receiver arrives ready to integrate with your lower, cutting your build time and ensuring quality that matches the rest of your setup. Whether you're a first-time builder, a competitive shooter fine-tuning your rifle, or someone maintaining and refreshing an existing gun, a quality upper receiver is the foundation of reliable accuracy and function.

This upper is engineered to mil-spec M16/M4 dimensions and includes M4 feedramps, proven geometry that works with the widest range of ammunition and magazines. The forged aluminum construction is stiff and durable—the kind of material choice that tells you Ballistic Advantage doesn't cut corners. Laser-engraved T-marks aid in consistent scope mounting alignment, and the .250 takedown pin holes mate with standard AR-15 lower receivers. Since it ships assembled, you skip the machine work and go straight to integration.

If you're stepping up from a commercial-spec upper or replacing a worn component, you'll appreciate the straightforward engineering here: no gimmicks, no proprietary dimensions, just a solid forged receiver that'll outlast multiple barrels and bolt carrier groups. Pair it with your choice of barrel, gas system, and handguard to build exactly the rifle you need.

Key Features

• Forged 7075-T6 aluminum construction for strength and durability
• Mil-spec M16/M4 precision machining for reliable lower receiver fitment
• M4 feedramps for consistent ammunition feeding
• Hard-anodized black finish resists corrosion
• Laser-engraved T-marks for repeatable scope mounting
• .250 takedown pin holes for standard AR-15 compatibility
• Ships fully assembled, ready to pair with barrel and lower

Specifications

Frequently Asked Questions

Is this upper receiver compatible with any AR-15 lower?

Yes. This upper receiver is machined to mil-spec M16/M4 dimensions with .250 takedown pin holes, which mate with standard AR-15 lower receivers. As long as your lower is spec-correct, fitment is guaranteed.

What do I need to do to use this upper receiver?

The upper ships fully assembled, so you don't need to do any machine work or component fitting. You'll pair it with a barrel, gas system, handguard, and bolt carrier group to complete your build, then attach it to your lower receiver.

What are the laser-engraved T-marks for?

The T-marks aid in repeatable scope mounting alignment. They're reference lines that help you mount optics consistently across multiple guns or reinstall them in the same position after removal.

Can I use this upper with different ammunition types?

The M4 feedramps are designed to work reliably with a wide range of standard AR-15 ammunition and magazines, providing consistent feeding across most common loads.