
In StockSave 8%
ProMag RM-40 AR-15 Magazine 5.56/.223 Rem 40-Rounds OD Green
Sold byGrabAGun•Posted Apr 27, 2026
Compare prices for ProMag RollerMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 40-Round Polymer Olive Drab$21.09
$22.99
You save $1.90 (8% off)
Price and stock data refresh continuously from GrabAGun.
Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: accessory
- UPC: 708279014086
- SKU: GAG_RM-40-OD-4532-0392
- Brand: Promag
Price History
Deal Details
ProMag RM-40 Features Expertly machined for exceptional quality and guaranteed to feed and function for every shot. ProMag magazines include a lifetime guarantee if you ever have a problem with their magazines; simply return them to ProMag for replacement. When you need a cost effective aftermarket replacement mag that you know you can count on you need a ProMag! ProMag RM-40 Specifications Color- Olive Drab Green Material- Polymer Caliber- 5.56 Capacity- 40 Ammo Window/Witness Holes-
Other Offers for This Product
Active offers from your catalog for ProMag RollerMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 40-Round Polymer Olive Drab.
Comparing 4 retailers carrying this product
Lowest Price: $12.91
Highest Price: $21.09
You Save: $8.18
Avg Discount: 14% off

PROMAG AR-15 ROLLER 40RD OD POLY
PromagBattleHawk ArmorySKU/UPC: 708279014086
$12.91$24.99Save 48%
View at BattleHawk Armory
ProMag Polymer Magazine AR-15 223/556mm Olive Drab 40 rd RM-40-OD
PromagHinterland OutfittersSKU/UPC: 185069
$16.41
View at Hinterland Outfitters
ProMag RollerMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 40-Round Polymer Olive Drab
PromagMidwayUSASKU/UPC: 137895
$18.49
View at MidwayUSA
ProMag RM-40 AR-15 Magazine 5.56/.223 Rem 40-Rounds OD Green
Pro Mag IndustriesGrabAGunSKU/UPC: GAG_RM-40-OD-4532-0392
$21.09$22.99Save 8%
View at GrabAGun