B1 Extended Mag Release Black
$17.99 at Brownells · 6 stores
In stock
Best price
$17.99at Sportsman's Guide
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Sportsman's Guide Best price | $17.99checked Oct 21, 2026 | In stock | Buy at Sportsman's Guide | |
| Brownells | $19.79checked Oct 21, 2026 | In stock | Buy at Brownells | |
| MidwayUSA | $19.79checked Oct 21, 2026 | In stock | Buy at MidwayUSA | |
| Kentucky Gun Co | $19.79checked Oct 21, 2026 | In stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $21.99Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| GunMag Warehouse | $22.99checked Oct 21, 2026 | In stock | Buy at GunMag Warehouse | |
| Ammunition Depot | $27.49checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $16.51Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $19.99Salechecked Oct 21, 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: $14.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $27.49 | $25.49 | $27.49 |
| Battlehawk Armory | $16.51 | $16.51 | $16.51 |
| Brownells | $19.79 | $19.79 | $19.79 |
| GunMag Warehouse | $22.99 | $22.99 | $22.99 |
| Kentucky Gun Co | $19.79 | $19.79 | $19.79 |
| MidwayUSA | $19.79 | $19.79 | $19.79 |
| OpticsPlanet | $21.99 | $14.99 | $21.99 |
| Palmetto State Armory | $19.99 | $19.99 | $19.99 |
| Sportsman's Guide | $17.99 | $17.99 | $17.99 |
Since Sep 27, 2026.
About this part
The B2 Extended Mag Release Black is an AR-15 lower part from Armaspec. It's sold by 9 stores (7 in stock), from $16.51 to $27.49. The lowest in-stock price in the last 30 days was $14.99 at OpticsPlanet.
Specifications
- Manufacturer
- Armaspec
- Color
- Black
- Type
- Magazine Catch
- Platform
- AR-15
From the manufacturer
If you're aiming for a truly lightweight rifle platform, then shaving off every bit of metal is critical, even on the small components. To support AR builders in this goal, Armaspec developed its AR-15 B2 Extended Magazine Release. This extended magazine release provides an enhanced overall length over a mil-spec magazine release, so you'll be sure to get more positive engagement when you go to release a magazine. However, the skeletonized construction of this mag release means that all unnecessary material has been removed without compromising the strength of the design, so you'll have the lightest release possible on your rifle. The Armaspec AR-15 B2 Extended Mag R Mfg: Armaspec
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