11 round 1911 magazines?

[G.A.Pster]

I was wondering are 11 round 1911 45 ACP magazines (more specifically mecgar ones) longer than a 10 rounder or the same length?

Thanks.

 

[railroader]

My ten round mecgar mags are longer than my chip mccormick 10 rounders. That said if I put a mccormick follower in the mecgar mag it holds eleven rounds.
Mark