Tacfire 16" Complete Upper Assembly .300 AAC Blackout 1:8, Black
$269.99 at GunMag Warehouse · 8 stores
In stock
TacFire 10.5inch UNASSEMBLED .300 AAC PISTOL BUILD KIT BLACK
No ratings yetBest price
$309.99at GunMag Warehouse
In stock checked Oct 13, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $309.99checked Oct 13, 2026 | In stock | Buy at GunMag Warehouse | |
| OpticsPlanet | $349.99Salechecked Oct 12, 2026 | In stock | Buy at OpticsPlanet | |
| MidwayUSA | $399.99checked Oct 13, 2026 | In stock | Buy at MidwayUSA | |
| Palmetto State Armory | $356.99checked 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
Lowest in-stock price in the last 30 days: $309.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| GunMag Warehouse | $309.99 | $309.99 | $309.99 |
| MidwayUSA | $399.99 | $399.99 | $399.99 |
| OpticsPlanet | $349.99 | $349.99 | $349.99 |
| Palmetto State Armory | $356.99 | $356.99 | $356.99 |
Since Oct 12, 2026.
About this part
The TacFire 10.5inch UNASSEMBLED .300 AAC PISTOL BUILD KIT BLACK is an AR-15 complete upper receiver from Tacfire. It's sold by 4 stores (3 in stock), from $309.99 to $399.99. The lowest in-stock price in the last 30 days was $309.99 at GunMag Warehouse.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 10.5" · Handguards
Specifications
- Manufacturer
- Tacfire
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 300 Blackout
From the manufacturer
TacFire 10.5inch UNASSEMBLED .300 AAC PISTOL BUILD KIT BLACK. 5inch UNASSEMBLED .300 AAC PISTOL BUILD KIT Specifications for TacFire 10.5in Unassembled .300 Aac Pistol Build Kit: Manufacturer: TacFire Caliber: .300 AAC Blackout Overall Length: 20 in Barrel Length: 10 in Gas System Length: Pistol Length Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 5/8x34 Muzzle Device: A2 Flash Hider Color: Black Gun Model: AR-15 Gas Block Journal Size-Diameter: .075 in Handguard Length: 10 in Gun Rail: M-LOK Gun Make: AR Platform Weight: 7 lb Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Included Accessories: None Package Contents: TacFire 10.5in Unassembled .300 Aac Pistol Build Kit TacFire PK300-LPK-10: 10.5inch UNASSEMBLED .300 AAC PISTOL BUILD KIT BLACK
Similar upper receivers
TacFire Complete M-LOK Upper Assembly .300 Blackout 8in Type III Hard Anodized Black Large
$269.99 at GunMag Warehouse · 4 stores
In stock
300BLK 16" Socom Pistol Bbl Complete Upper Receiver For AR15
$293.89 at Kentucky Gun Co · 4 stores
In stock
XTS Complete Upper Receiver w/o BCG AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish
$289.99 at OpticsPlanet
In stock Sale
300BLK 10.5" Medium Pistol Bbl Complete Upper Receiver
$287.50 at Kentucky Gun Co · 4 stores
In stock
XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish
$279.99 at OpticsPlanet
In stock Sale
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.