Description
The TacFire BU30816 takes most of the guesswork out of a .308 build. It shows up as a complete upper chambered in .308 Win / 7.62 NATO, running a 16" barrel that keeps the rifle short enough to move around a tree stand or truck cab while still putting real energy downrange. The barrel is 4150 chrome moly vanadium steel with a black nitride finish, which handles heat and shrugs off moisture better than a plain phosphate coat. A 1:10 twist stabilizes the common 150 to 178 grain loads most folks feed a .308, so it plays nice with everything from cheap range fodder to heavier hunting bullets.
What Sits on the BU30816 Upper
The receiver is 7075-T6 aluminum with a black anodized finish and a full-length Picatinny top rail, giving you room for a scope, red dot, or a mix of glass and backup irons. Out front is a 15" M-LOK free-float handguard, so nothing but the barrel nut touches the barrel and your accuracy isn't fighting a hand guard clamped to the gas system. The M-LOK slots let you bolt on lights, lasers, bipods, and hand stops wherever they make sense for you, and there's a short rail section at the muzzle end if you want it. The barrel wears a .750" gas block journal and 5/8×24 muzzle threads with an A2 flash hider already installed.
Getting the BU30816 Running
This one ships with the bolt carrier group and charging handle, which is the part a lot of "complete" uppers quietly leave out. That means once you pair it with a compatible DPMS-pattern .308 lower, you're close to range-ready. It's cut to the DPMS low-profile pattern, so it lines up with the most common AR-10 style lowers out there rather than proprietary designs. Sights aren't included since it's optic-ready, which keeps your options open to set it up exactly how you shoot.
Key Specifications
- Manufacturer: TacFire
- Manufacturer Part Number: BU-308-16
- UPC: 729205512087
- Caliber: .308 Win / 7.62 NATO
- Barrel Length: 16"
- Barrel Material: 4150 Chrome Moly Vanadium Steel
- Barrel Finish: Black Nitride
- Twist Rate: 1:10
- Gas Block Journal: .750"
- Muzzle Thread: 5/8×24
- Muzzle Device: A2 Flash Hider
- Receiver Material: 7075-T6 Aluminum
- Receiver Finish: Black Anodized
- Handguard: 15" M-LOK Free-Float
- Sights: None, Optic Ready
- Product Type: Complete Upper (DPMS Pattern)
What’s Included
- Complete .308 Win upper receiver assembly
- 16" black nitride barrel
- 15" M-LOK free-float handguard
- A2 flash hider (installed)
- Bolt carrier group
- Charging handle
Frequently Asked Questions
What lowers will the TacFire BU30816 upper fit?
It's built to the DPMS low-profile .308 pattern, so it mates up with common DPMS Gen 1 style AR-10 lowers. It is not cut for Armalite-spec or fully proprietary systems like the DD5. If you're unsure about a specific lower, matching it to a DPMS-pattern .308 lower is the safe bet.
Does the BU30816 come with a bolt carrier group and charging handle?
Yes. This upper ships as a complete assembly that includes both the bolt carrier group and the charging handle. Once you drop it on a compatible lower, you're just a magazine and ammo away from the range.
What ammo works best with the 1:10 twist barrel?
The 1:10 twist is a great all-around rate for .308 Win, stabilizing most factory loads in the 150 to 178 grain range. That covers typical range ammo as well as heavier hunting and match bullets. You've got flexibility to shoot a wide spread of loads without babying it.
Are sights or an optic included with this upper?
No, it comes optic-ready with a bare Picatinny top rail. That leaves you free to mount whatever red dot, scope, or iron sight setup fits how you shoot. The full-length rail gives you plenty of real estate to work with.





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