Product Description
Product Description
The 3KEYZ Tactical Imperial Enforcer 16.5″ 5.56 NATO Complete Upper is built for durability, precision, and long-range performance. Featuring a 16.5″ medium-profile 4150 CMV barrel with a nitride finish and a 1:7 twist rate, this upper is optimized for both supersonic and subsonic 5.56 NATO loads. The mid-length gas system and micro low-profile .750" gas block ensure smooth, reliable cycling. A free-float M-LOK handguard provides modularity for accessories, while the nitride-finished 9310 alloy bolt carrier group and Mil-Spec charging handle complete a ready-to-go assembly. The A2 birdcage flash hider keeps muzzle flash manageable, making this upper a versatile and dependable choice.
Features
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16.5″ 4150 CMV barrel with 1:7 twist rate
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Nitride finish for corrosion resistance and longevity
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Mid-length gas system for balanced performance
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Micro low-profile .750" gas block
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Free-float M-LOK handguard for mounting flexibility
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Nitride 9310-alloy bolt carrier group
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Mil-Spec charging handle included
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A2 birdcage flash hider (1/2×28)
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Completely assembled and drop-in ready
Specs
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Caliber: 5.56×45 NATO
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Barrel Length: 16.5″
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Gas System: Mid-length
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Twist Rate: 1:7
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Bolt Carrier Group Material: 9310 Alloy Steel, Nitride Finish
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Muzzle Thread: 1/2×28
Installation & Notes
This upper comes fully assembled. Pair it with a compatible lower, verify proper fit and function, and always follow local, state, and federal laws. If you’re unsure about installation or legal requirements, consult a qualified gunsmith or legal professional.
Shipping & Returns
Packaged securely and shipped discreetly. Buyer is responsible for compliance with relevant firearm shipping regulations. Returns accepted per 3KEYZ Tactical’s standard return policy.
Why Buy from 3KEYZ Tactical
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Fast, U.S.-based shipping
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High-quality performance components
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Veteran-friendly customer support
