Glock G21/G41 10-Round Magazine — .45 ACP, Black

Glock G21/G41 Factory Magazine — Pistol Magazine for .45 ACP. This is a factory replacement/detachable magazine designed to hold and feed .45 ACP ammunition in compatible Glock pistols.

This magazine provides a 10-round capacity for Glock Model 21 and Model 41 pistols and is intended for use as a spare, replacement, or service magazine for range, training, or duty-style setups. It uses a hardened steel insert encased in polymer, and a spring-and-follower assembly to present cartridges to the firearm’s feed ramp.

• Capacity: 10 rounds (specified for .45 ACP)
• Fit: Designed for Glock Model 21 and Model 41 pistols
• Material/Construction: Hardened steel insert encased in black polymer
• Finish/Color: Black polymer exterior
• Feeding: Steel insert with spring and follower for consistent feeding
• Dimensions (provided): 1.40 x 4.15 x 8.45 (as listed)
• Packaged: Individually wrapped / blister pack (packaging noted in product attributes)
• Country of Origin: US (as provided)

Specifications & Construction
Materials and construction combine a hardened steel magazine body/insert with a polymer outer casing. The magazine uses a spring and follower to push cartridges into the firearm’s chamber. Listed dimensions are 1.40 x 4.15 x 8.45 and individual attribute entries show Height: 1.4000, Width: 4.1500, Length: 8.4500. Weight is listed as 0.23 (units as provided). Finish type is black polymer.

Compatibility & Intended Use
This magazine fits Glock Model 21 and Model 41 pistols chambered in .45 ACP. Typical uses include range and training use, service/duty magazines, or as a replacement/spare magazine for those platforms. It is intended for standard Glock-style magazine wells; confirm model compatibility before installation.

Note: New Glock magazines can be stiff to load until the spring and follower undergo initial break-in; cycling and partial loading are common recommended practices for seating the spring prior to full-capacity use.