Pro Ambidextrous Safety Selector For AR-15 Black
$48.99 at MidwayUSA · 7 stores
In stock
Best price
$48.70at Kentucky Gun Co
In stock Lowest in 30 dayschecked Nov 13, 2026
Specifications
- Manufacturer
- Pro Mag
Compatibility
- Platform
- AR-9
Materials and features
- Material
- Polymer
- Color
- Black
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $48.70checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| GunMag Warehouse | $51.99checked Nov 13, 2026 | In stock | Buy at GunMag Warehouse | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $56.99checked Nov 13, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $67.99Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $72.99checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $43.94Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| Classic Firearms | $51.02checked Nov 13, 2026 | Check store | Buy at Classic Firearms | |
| GrabAGun | $53.29Salechecked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Palmetto State Armory | $54.99checked Nov 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: $48.70 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $72.99 | $57.49 | $72.99 |
| Battlehawk Armory | $43.94 | $39.54 | $47.21 |
| Brownells | $56.99 | $56.99 | $56.99 |
| Classic Firearms | $51.02 | $51.02 | $51.02 |
| GrabAGun | $53.29 | $53.29 | $53.29 |
| GunMag Warehouse | $51.99 | $51.99 | $51.99 |
| Kentucky Gun Co | $48.70 | $48.70 | $48.70 |
| OpticsPlanet | $67.99 | $59.99 | $72.79 |
| Palmetto State Armory | $54.99 | $50.49 | $54.99 |
Since Sep 27, 2026.
About this part
The AR-15 Magazine Quick Change Adapter Block 9mm is an AR-9 lower part from Pro Mag. It's sold by 9 stores (5 in stock), from $43.94 to $72.99. The lowest in-stock price in the last 30 days was $48.70 at Kentucky Gun Co.
From the manufacturer
The PM237B 9mm magazine adaptor block easily installs in AR-15A(R) / M16 lower receivers to allow the use of 9mm ColtA(R) / SMG type magazines with 9mm upper receivers. The block is constructed of high strength polymer with steel hardware, roller, ejector, and bolt stop. Improved design allows quick install without the need to remove the bolt stop roll pin. 9mm magazine adaptor block Installs in AR-15A(R) lower receivers Allows the use of 9mm ColtA(R) / SMG type magazines with 9mm upper receivers Made of high strength polymer with steel hardware, roller, ejector, and bolt stop Quick installation without the need to remove the bolt stop roll pin Ma Mfg: Pro Mag
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