Speed up your reloads with the Shield Arms magwell for the Glock 43X/48. - Features - Machined from billet aluminum - Type 2 anodized - Contoured for increased grip when coupled with the S15 magazine and the S15 +0 base plate - Made in the USA - 100% Lifetime Warranty - Compatibility - Fits Gen 1 and Gen 2 (ambi) S15 magazines optimized for Gen 2 mags - Gen 2 mags with Gen 1 or Gen 2 plastic base plates - Gen 2 mags with +0 aluminum base plates - Gen 1 mags with Gen 1 plastic base plates - Not compatible with some frame modifications