Shield Arms S15 Gen 3 15rd 9mm for Glock 43X/48

Description

The Shield Arms S15 Gen 3 is a flush-fitting 15-round steel magazine for Glock’43X and Glock’48 pistols. It holds five additional rounds in the same overall footprint as the OEM 10-round magazine by using a patent-pending staggered geometry. Gen 3 improvements focus on fit and durability, including updated tooling and revised magazine body geometry to better align with OEM magazine position in the mag well. Shield Arms lists domestic production for the Gen 3 run.

Key Specifications

• The model is S15 Magazine (Gen 3).
• Capacity is 15 rounds.
• Chambered for 9mm / 9mm Luger.
• Constructed from steel.
• Compatible with Glock 43X and Glock 48.
• Same overall length as the OEM Glock 10-round magazine.
• Uses a patent-pending staggered geometry to increase capacity in the same footprint.
• Features an easy-to-remove, impact-resistant base pad.
• Made in the USA.
• Requires Shield Arms steel mag catch (replacing the OEM plastic catch) for recommended reliable function.

The S15 Gen 3 is engineered for shooters who want increased magazine capacity without changing grip length or concealment profile. Its staggered-round geometry preserves Glock-style ergonomics while adding five rounds in the same external footprint. The Gen 3 updates improve magazine-to-frame fit and the magazine is designed to pair with Shield Arms steel mag catches for dependable performance during everyday carry and range use.

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