Handguns An Easy Springfield Armory Echelon Grip Module Swap Springfield recently began selling the small 4.5 modules in OD green and flat dark earth. Rupp swapped the medium-size black module on his 4.5F with a small in OD green. (Photo submitted by the author) March 05, 2026 By J. Scott Rupp Affiliate Disclosure: This page contains affiliate links. We earn from qualifying purchases.When Springfield Armory came out with the Echlon 4.5F, I bought one because it’s a great all-around gun with a useful feature set. I shot it a fair bit and wasn’t disappointed, but then I had the opportunity to review the 4.0C...Continue Reading