TacFire 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black

Name: TacFire 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black
Brand: Tacfire
Availability: InStock

Tacfire · Upper Receiver

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Best price

$307.49at Ammunition Depot

In stock checked Oct 13, 2026

Buy at Ammunition Depot

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Where to buy

Store	Price	Availability	Buy
Ammunition Depot Best price	$307.49checked Oct 13, 2026	In stock	Buy at Ammunition Depot
Kentucky Gun Co	$320.24checked Oct 13, 2026	In stock	Buy at Kentucky Gun Co
OpticsPlanet	$337.49Salechecked Oct 13, 2026	In stock	Buy at OpticsPlanet
Battlehawk Armory	$303.53checked Oct 13, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$327.99Salechecked Oct 13, 2026	Check store	Buy at Palmetto State Armory

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $307.49 at Ammunition Depot. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$307.49	$307.49	$307.49
Battlehawk Armory	$303.53	$303.53	$303.53
Kentucky Gun Co	$320.24	$320.24	$320.24
OpticsPlanet	$337.49	$337.49	$337.49
Palmetto State Armory	$327.99	$327.99	$327.99

Since Oct 12, 2026.

About this part

The TacFire 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black is a 7.5" 5.56 / .223 upper receiver from Tacfire. It's sold by 5 stores (3 in stock), from $303.53 to $337.49. The lowest in-stock price in the last 30 days was $307.49 at Ammunition Depot.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 7.5" · Handguards

Specifications

Manufacturer: Tacfire
Color: Black
Platform: AR-15
Caliber: 5.56 mm NATO

From the manufacturer

TacFire 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black. 56x45mm NATO 7.5in Barrel (1) Bolt Carrier Group (1) Mil-Spec Upper Receiver (1) Slim Free Float MLOK Hand Guard 7in (1) Complete Lower Parts Kit (1) Standard Receiver End Plate (1) Mil-Spec/Commercial Castle Nut/Steel (1) Mil-Spec Pistol Buffer Tube/Alum. w/Foam Cover (1) Heavy Buffer (1) Buffer Tube Spring (1) Mil-Spec Charging Handle (1) Dust Cover (1) Forward Assist (1) Thread Flash Forwarder Specifications for TacFire 5.56x45mm NATO AR Build Kit: Manufacturer: TacFire Caliber: 5.56x45mm NATO Barrel Length: 7.5 in Barrel Profile: M4 Gas System Length: Pistol Length Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Color: Black Gun Model: AR-15 Fabric/Material: Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 7 in Handguard Style: Quad Rail Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Weight: 6 lb Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Hand: Right Package Contents: TacFire 5.56x45mm NATO AR Build Kit What firearm models does the manufacturer say TacFire 5.56x45mm NATO AR Build Kit is compatible with? The manufacturer suggests that TacFire 5.56x45mm NATO AR Build Kit is compatible with AR-15TacFire SSPK556LPK: 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black