Rock Slide USA Pistol Stripped Upper .45 ACP. Compatible with Glock 21/20 Lowers. RS2 Version with cooling vents. Flat Dark Earth Cerakote finish. Takes standard Glock 21 internal parts, sights, and barrels. Cut for a Vortex Venom optic.
Crafted from durable polymer with reinforced feed lips and steel inserts, these SGM Tactical magazines are built using many of the same materials and standards as Glock factory magazines. Stainless upgraded springs ensure reliable long-term feeding through even the most extreme use cases.
These magazines are compatible with any double-stack 9mm Glock pistol or carbine, delivering double the firepower for more trigger time on the range or in home defense situations.
Loads Pistol Magazines Fast, Protects Fingers & Thumbs
Hand-held loader fills pistol magazines quickly and easily, so you spend less range time loading mags and more of it shooting. Smooth, positive operation protects fingers and thumbs while you load hundreds of rounds painlessly—as fast as one round per second. Also lengthens magazine life by reducing wear and tear on feed lips.
UpLula fits single- and double-stack 9mm, .357 SIG, .40 S&W, 10mm, and .45 ACP magazines, plus some .380 mags. Will not load Glock 6-round single-stack .45 caliber, Smith & Wesson 7-round single-stack 9mm, or magazines with less than 8mm between feed lips.