Is $187.99 a good price for Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40?

At $187.99, this is near the average price of $187.99. Fair price — consider waiting for a drop. The average price is $187.99. The lowest we've tracked is $187.99. Tracked for 89 days. Last checked: 2026-06-25. Recorded 0 price changes.

What is the lowest price for Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40?

The lowest price we've tracked for Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40 is $187.99. The highest was $187.99. The current price of $187.99 is at the average price of $187.99.

Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40

UPC: 850001176217
MPN: MAG-ADMP9&40
SKU: 5165490971
Manufacturer: Stern Defense

$187.99

Fair Price

At $187.99, this is near the average price of $187.99. Fair price — consider waiting for a drop.

Price Intelligence

Building confidence

Against lowest Matches lowest seen

Typical price Near typical ($187.99)

Data depth 89 days, 0 price changes

Useful signal, but more history will sharpen the read.

Tracked for 89 days. Last checked: 2026-06-25. Recorded 0 price changes. The average price is $187.99.

Live Offers

Tracked retailer listings for STERN DEF. MAGAZINE ADAPTER - AD9 S M/SIG P320 9/40 MAGS. Compare current price, stock, and price history before leaving Firearm Data Lab.