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TacFire
The Tacfire AR-15 Complete Upper in 5.56 NATO with 5" barrel is a ready-to-run upper receiver assembly built for shooters who want to assemble a compact AR without sourcing and installing individual components. This is a complete upper—barrel, bolt carrier group, and all internals are factory-assembled and headspaced, so you simply slide it onto your stripped lower receiver and you're ready to run. It's a straightforward way to build a short-barreled rifle (SBR) or pistol-caliber setup without the hassle of piecing together a kit.
The 5" barrel strikes a practical balance for close-quarters work, home defense, or short-range shooting while keeping overall length compact and handy. Chambered in 5.56 NATO, you get broad ammunition availability and ballistic consistency in a platform that's familiar to most AR shooters. The complete upper arrives finished in black and includes the bolt carrier group, so there's no separate purchase needed for the engine that cycles the weapon.
Whether you're building a dedicated short-barrel upper or assembling your first AR from a stripped lower, this Tacfire complete upper handles the heavy lifting. No headspacing calculations, no barrel installation tools required—just bolt it to a compatible lower and get to the range.
| Caliber | 5.56 NATO |
| Barrel Length | 5" |
| Configuration | Complete Upper Assembly with BCG |
| Finish | Black |
| Brand | Tacfire Inc. |
You'll need a stripped lower receiver that matches the upper's platform and caliber. The upper itself is complete with barrel, bolt carrier group, and all internals ready to fire once assembled to a lower.
This upper is designed for standard AR-15 pattern lowers. Always verify your lower is chambered in 5.56 NATO or .223 Remington and is a milspec or commercial pattern upper receiver extension before assembly.
The upper includes the bolt carrier group, so you have all internal components. You'll still need a stripped lower receiver, charging handle, safety selector, and grip to complete a functional rifle.
The barrel is 5" long, which qualifies for short-barrel rifle or AR pistol configurations depending on how you assemble it with your lower. Be aware of federal and local laws regarding overall length and registration if building an SBR.
TacFire
The Tacfire AR-15 Complete Upper in 5.56 NATO with 5" barrel is a ready-to-run upper receiver assembly built for shooters who want to assemble a compact AR without sourcing and installing individual components. This is a complete upper—barrel, bolt carrier group, and all internals are factory-assembled and headspaced, so you simply slide it onto your stripped lower receiver and you're ready to run. It's a straightforward way to build a short-barreled rifle (SBR) or pistol-caliber setup without the hassle of piecing together a kit.
The 5" barrel strikes a practical balance for close-quarters work, home defense, or short-range shooting while keeping overall length compact and handy. Chambered in 5.56 NATO, you get broad ammunition availability and ballistic consistency in a platform that's familiar to most AR shooters. The complete upper arrives finished in black and includes the bolt carrier group, so there's no separate purchase needed for the engine that cycles the weapon.
Whether you're building a dedicated short-barrel upper or assembling your first AR from a stripped lower, this Tacfire complete upper handles the heavy lifting. No headspacing calculations, no barrel installation tools required—just bolt it to a compatible lower and get to the range.
| Caliber | 5.56 NATO |
| Barrel Length | 5" |
| Configuration | Complete Upper Assembly with BCG |
| Finish | Black |
| Brand | Tacfire Inc. |
You'll need a stripped lower receiver that matches the upper's platform and caliber. The upper itself is complete with barrel, bolt carrier group, and all internals ready to fire once assembled to a lower.
This upper is designed for standard AR-15 pattern lowers. Always verify your lower is chambered in 5.56 NATO or .223 Remington and is a milspec or commercial pattern upper receiver extension before assembly.
The upper includes the bolt carrier group, so you have all internal components. You'll still need a stripped lower receiver, charging handle, safety selector, and grip to complete a functional rifle.
The barrel is 5" long, which qualifies for short-barrel rifle or AR pistol configurations depending on how you assemble it with your lower. Be aware of federal and local laws regarding overall length and registration if building an SBR.
