Save your fingers from fatigue and maximize your trigger time at the range with the easy-to-use polymer ProMag® .223 Remington 5-Round Magazine Loader from GunMag Warehouse! Originally designed for use with the extended 100-round “Beta” magazine, ProMag’s plunger-style loader effortlessly inserts 5 rounds at a time into any USGI-compatible AR-15 magazine, while impact-resistant polymer construction offers unmatched durability and lasting field service in virtually any environment. Better yet, this magazine is backed by ProMag's legendary lifetime warranty for a lifetime of reliable field service you can depend on! Order now!