PMM Compensator for Springfield Armory Echelon

2 model listings

• Springfield Armory Echelon 4.0CManufacturer documentedRequires a THREADED BARREL in 1/2 x 28. Most of these pistols do not ship with one — check your barrel before buying. Scoped to the factory Springfield Echelon 1/2 x 28 threaded barrel, on the 4.5F and 4.0C models by name. Adds approximately 1.2" to overall length. Shim-and-timing mount with Loctite 272. PMM publishes a measured claim rather than an adjective: "an average 36% reduction in muzzle climb (with 115gr American Eagle)", ransom-rest tested with a digital inclinometer. ⚠️ A sentence about not needing to change the recoil spring appears on this page as CUSTOMER REVIEW text and is deliberately not recorded as a manufacturer statement — PMM publishes no recoil-spring guidance for this comp.
• Springfield Armory Echelon 4.5FManufacturer documentedRequires a THREADED BARREL in 1/2 x 28. Most of these pistols do not ship with one — check your barrel before buying. Scoped to the factory Springfield Echelon 1/2 x 28 threaded barrel, on the 4.5F and 4.0C models by name. Adds approximately 1.2" to overall length. Shim-and-timing mount with Loctite 272. PMM publishes a measured claim rather than an adjective: "an average 36% reduction in muzzle climb (with 115gr American Eagle)", ransom-rest tested with a digital inclinometer. ⚠️ A sentence about not needing to change the recoil spring appears on this page as CUSTOMER REVIEW text and is deliberately not recorded as a manufacturer statement — PMM publishes no recoil-spring guidance for this comp.