In Stock
Stern Defense AR15 Mag Well Adapter for M&P .45ACP Mags - MAG-ADMP45
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for Stern Defense AR-15 Magwell Adapter for 45ACP S&W M&P Magazines$186.99
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Deal Summary
- Currently in stock.
- Caliber: 45acp
- Category: parts
- UPC: 850001176040
- SKU: 5165490973
- Brand: Stern Defense
Price History
Deal Details
Convert your standard Mil-Spec AR 15, M4, M16 lower assembly to use 45 ACP M&P Magazines! The Mag-AD series adapters install in seconds. Boasting a last round hold open feature making them a breakthrough product and a must-have for law enforcement and civilian enthusiasts alike.Made in the USAConstructed from 6061 T6 aircraft grade aluminum4140 NiB coated feed rampHardcoat anodized type 3Sturdy constructionErgonomic mag releaseWorks with all generations of M&P magazinesWorks with any Mil-Spec AR
Other Offers for This Product
Active offers from your catalog for Stern Defense AR-15 Magwell Adapter for 45ACP S&W M&P Magazines.
Comparing 5 retailers carrying this product
Lowest Price: $174.18
Highest Price: $193.49
You Save: $19.31
Avg Discount: 1% off
STERN DEFENSE MAG ADAPTER 45 M&P MAGS
Stern DefenseBattleHawk ArmorySKU/UPC: 850001176040
$174.18$186.99Save 7%
View at BattleHawk ArmoryStern Defense AR15 Mag Well Adapter for M&P .45ACP Mags - MAG-ADMP45
Stern DefensePalmetto State ArmorySKU/UPC: 5165490973
$186.99
View at Palmetto State Armory
Stern Defense AR-15 Magwell Adapter for 45ACP S&W M&P Magazines
Stern DefenseMidwayUSASKU/UPC: 153505
$186.99
View at MidwayUSA
Ar-15 M&P 45acp Conversion Adapter - Ar-15 Conversion Adapter For S&W .45acp Magazines
Stern DefenseBrownellsSKU/UPC: 100039215
$186.99
View at Brownells
Stern Defense AR-15 Conversion Adapter for S&W .45ACP Magazines
Stern DefenseAmmunition DepotSKU/UPC: 001SDMAGADMP45A
$193.49
View at Ammunition Depot