Springfield 1911 45 ACP Mil-Spec Defend Your Legacy Series Pistol

The Springfield 1911 45 ACP Mil-Spec Defend Your Legacy Series Pistol represents a return to the foundational design standards that established the 1911 platform as a benchmark in semi-automatic handguns. Manufactured by Springfield Armory, this pistol is built to replicate the exact specifications of the original 1911 as issued to U.S. military forces, with modern metallurgical improvements and quality control processes. Chambered in .45 ACP, this model delivers the reliable cycling and terminal performance that the cartridge is known for, while the mil-spec configuration ensures compatibility with standard-issue holsters, grips, and magazines. The Defend Your Legacy Series designation underscores the firearm’s purpose as a heirloom-quality tool for personal protection and range use, emphasizing durability and mechanical precision over cosmetic embellishment. Each pistol is assembled at Springfield Armory’s Geneseo, Illinois facility using forged carbon steel for the slide and frame, with a Parkerized finish that resists corrosion and reduces glare in tactical environments.

Overview

The springfield 1911 45 acp mil-spec defend your legacy series pistol is a faithful reproduction of the original 1911A1 pattern, featuring a 5-inch barrel with a 1:16 left-hand twist rate for stable .45 ACP bullet stabilization. The pistol operates on a short-recoil, tilting-barrel system with a single-action trigger mechanism that breaks at a consistent 5 to 6 pounds after minimal take-up. The fixed low-profile sights consist of a front blade and rear notch, both dovetailed into the slide for windage adjustment without requiring a gunsmith. The arched mainspring housing, long trigger, and slim grip panels replicate the ergonomics that have made the 1911 a preferred choice for shooters with average to large hand sizes. This model includes one 7-round magazine with a steel body and polymer basepad, and the slide is marked with the Springfield Armory cross-cannon logo and “Defend Your Legacy” rollmark on the left side.

Features & Specs

• Caliber: .45 ACP; capacity: 7+1 rounds; overall length: 8.6 inches; barrel length: 5 inches; weight: 39 ounces unloaded; trigger pull: 5-6 pounds; finish: mil-spec Parkerized carbon steel; grips: checkered walnut with Springfield medallion
• Frame: forged carbon steel with integral feed ramp; slide: forged carbon steel with front and rear cocking serrations; barrel: forged carbon steel, fully supported ramp, match-grade chamber; sights: dovetailed front blade and rear notch, fixed
• Safety: frame-mounted thumb safety (ambidextrous not included), grip safety with memory bump, firing pin block; includes one 7-round magazine, nylon carry case, cable lock, and owner’s manual

The springfield 1911 45 acp mil-spec defend your legacy series pistol meets or exceeds SAAMI specifications for pressure and headspace, with each barrel individually gauged for concentricity and throat dimensions. The Parkerized finish is applied over a manganese phosphate base coat, providing a non-reflective surface that withstands holster wear and field cleaning solvents. The barrel bushing is a standard GI-style with a finger relief cut for disassembly, and the recoil spring is a 16-pound flat wire unit that supports reliable cycling with standard pressure .45 ACP ammunition.

Who It’s For

This pistol is designed for shooters who prioritize historical accuracy and mechanical simplicity over modern ergonomic features. It is appropriate for collectors seeking a production-grade 1911 that mirrors the configuration used by American armed forces from 1911 through the 1980s, as well as for practical shooters who prefer the crisp single-action trigger and manual of arms of the original design. The springfield 1911 45 acp mil-spec defend your legacy series pistol is also suitable for self-defense applications where a full-size, all-steel handgun can be effectively carried and deployed. It is less suited for users who require accessory rails, adjustable sights, extended thumb safeties, or high-capacity magazines. The mil-spec dimensions allow for direct replacement of grips, sights, and internal parts with standard 1911 components from aftermarket suppliers, making it a viable platform for customization over time.

Shipping & FFL

This item ships from our warehouse to a Federal Firearms License (FFL) holder in your state of residence. Upon placing your order, you must provide the name and contact information of the FFL dealer who will receive the transfer. We will ship the firearm via a common carrier that complies with all federal and state shipping regulations. It is your responsibility to verify that the FFL holder is willing to accept the transfer and that the firearm is legal to possess in your jurisdiction. We do not ship to P.O. boxes or APO/FPO addresses for firearms. Some states and municipalities require additional permits, background checks, or waiting periods beyond federal requirements; please confirm local laws before purchase. The springfield 1911 45 acp mil-spec defend your legacy series pistol will be shipped in its original manufacturer packaging with all included accessories. Standard processing time is 1-3 business days after FFL verification, with transit times varying by carrier and destination. We reserve the right to cancel any order that does not comply with applicable laws.