Best price
$4.46at OpticsPlanet
Out of stock Sale checked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $4.46Salechecked Nov 10, 2026 | Out of stock | Buy at OpticsPlanet |
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
Dashed line = out of stock. Tracking since Oct 25, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $4.46 | $4.46 | $4.46 |
Since Oct 25, 2026.
About this part
The JL Billet Replacement Barrel Nut Key Seat .308 Black is an AR-10 upper part from JL Billet. One store lists it, OpticsPlanet at $4.46.
Fits and works with
- Caliber
- .308 / 7.62x51 · Shop matching ammo
- Bolt
- AR-10 (.308 / 6.5 CM) · Bolt carrier groups
Specifications
- Manufacturer
- JL Billet
- Color
- Black
- Type
- Barrel Nut
- Platform
- AR-10
From the manufacturer
JL Billet Replacement Barrel Nut Key Seat .308 Black. Specifications for JL Billet AR-10 Replacement Barrel Nut Key Seat: Manufacturer: JL Billet Color: Black Gun Model: DPMS LR-308 Fabric/Material: Stainless Steel Weight: 0.1 lb Mount Type: M-LOK Country of Origin: USA Features of JL Billet AR-10 Replacement Barrel Nut Key Seat Replacement Barrel Nut Key Seat for 308 Free Float Handguard System. Stainless steel key seat replacement for use with JL Billet MLS and MLA 308 M-Lok rail systems. Package Contents: JL Billet AR-10 Replacement Barrel Nut Key Seat What firearm models does the manufacturer say JL Billet AR-10 Replacement Barrel Nut Key Seat is compatible with? The manufacturer suggests that JL Billet AR-10 Replacement Barrel Nut Key Seat is compatible with DPMS LR-308JL Billet JLB-308-KEY: Replacement Barrel Nut Key Seat .308 Black
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