Designed by Bill Wilson and the Wilson Combat design team to be the base for the ultimate precision tactical AR-15 rifle, the BILLet-AR upper receiver set is 100% machined in our Berryville, AR facility.
The Wilson Combat BILLet-AR receiver was engineered from the ground up to address structural design weaknesses in standard USGI receivers and enhance overall tolerances.
The BILLet-AR upper receiver has a precise bolt raceway for smoother chambering, more rigid receiver walls to reduce firing flex.
Our extensive experience as a premier custom builder of AR-15 rifles will ensure your satisfaction with this next generation precision tactical shooting platform.
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CNC machined from 7075-T6 aircraft gade solid billet aluminum machined to industry leading tolerances
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Mil-Spec type 3 hardcoat anodize black finish
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Hand prepped for a flawless surface finish
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Picatinny top rail
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Shell deflector
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M4-style extended feed ramps for excellent reliability with a wide variety of calibers
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Undersize bolt raceway for smoother chambering, improved feeding and enhanced recoil dynamics
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Smooth side profile without forward assist for maximum accuracy potential
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Good match with standard Mil-Spec forged lower receivers or Wilson BILLet-AR lower receivers and any standard AR barrel
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Enhanced receiver will not accept some aftermarket bolt releases
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With Mil-Spec dustcover assembly installed
