LMT Monolithic 300 AAC Blackout 16" Pistol Length Bbl Black
$554.40 at Brownells · 3 stores
In stock
Best price
$554.40at Brownells
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $554.40checked Oct 21, 2026 | In stock | Buy at Brownells | |
| Palmetto State Armory | $538.20checked Oct 12, 2026 | Check store | Buy at Palmetto State Armory | |
| Battlehawk Armory | $554.40checked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Kentucky Gun Co | $486.99checked Oct 21, 2026 | Out of stock | Buy at Kentucky Gun Co |
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: $529.54 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $554.40 | $554.40 | $554.40 |
| Brownells | $554.40 | $554.40 | $554.40 |
| Kentucky Gun Co | $486.99 | $486.99 | $529.54 |
| Palmetto State Armory | — | $538.20 | $538.20 |
Since Sep 27, 2026.
About this part
The LMT Monolithic 300 AAC Blackout 10.5" Pistol Length Bbl BLK is a 10.5" 300 Blackout barrel from LMT Defense with a pistol gas system. It's sold by 4 stores (1 in stock), from $486.99 to $554.40. The lowest in-stock price in the last 30 days was $529.54 at Kentucky Gun Co.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Pistol · Handguards
- Barrel length
- 10.5" · Handguards
Specifications
- Manufacturer
- LMT Defense
- Color
- Black
- Platform
- AR-15
- Caliber
- 300 Blackout
- Gas system
- Pistol
- Barrel length
- 10.5"
- Twist rate
- 1:7
From the manufacturer
LMT MONOLITHIC 300 AAC BLACKOUT RIFLE BARREL Designed for the LMT monolithic receiver, this barrel utilizes a low profile gas block, straight gas tube, and A2 birdcage for reduced flash. The barrel is coated and cryogenically treated for long term durability. AVAILABLE OPTIONS: 9a ^2 300 Blackout Chrome Lined 1:7a ^2 RH twist barrel 10.5a ^2 300 Blackout Chrome Lined 1:7a ^2 RH twist barrel 16a ^2 300 Blackout Chrome Lined 1:7a ^2 RH twist barrel SPECIFICATIONS: Barrel Material: Chromoly Operating Method: Direct Impingement Rifling Twist Rate: 1:7" Barrel Caliber: 300 AAC Blackout Mfg: Lmt Defense
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