Springfield 1911 Master Class Silent Operator 45ACP Black Nitride With Threaded Barrel

Springfield Armory continues to define the standard for precision-built defensive handguns with the 1911 Master Class Silent Operator in .45 ACP. This model represents a refined synthesis of target-grade accuracy and tactical utility, engineered for the shooter who demands sub-MOA mechanical precision without sacrificing field readiness. The integration of a black nitride finish and a factory-threaded barrel distinguishes this variant as a purpose-built platform for suppressed operation and low-light engagements.

Overview

The Springfield 1911 Master Class Silent Operator 45ACP Black Nitride with Threaded Barrel is a full-size, steel-framed 1911 chambered in .45 ACP. It is built on Springfield’s Master Class platform, which features a match-grade barrel, hand-fitted slide-to-frame fit, and an adjustable target trigger. The black nitride treatment provides a corrosion-resistant, low-glare surface that reduces visible signature and enhances durability under sustained use. The 5-inch threaded barrel extends beyond the slide to accommodate suppressors, compensators, or other muzzle devices, with a standard 11-degree target crown for improved accuracy.

Features & Specs

This pistol is defined by its combination of competition-derived components and tactical enhancements. The frame and slide are machined from forged carbon steel, then treated with black nitride for a case-hardened surface measuring 68 HRC. The barrel is a fully supported, ramped match-grade unit with a 1:16 right-hand twist, optimized for 230-grain ball and defensive hollow-point ammunition. The threaded section is 0.578×28 TPI, compatible with most popular .45 caliber suppressors.

• Forged steel receiver and slide with black nitride finish; corrosion-resistant and non-reflective
• 5-inch threaded barrel with 0.578×28 TPI thread pitch; includes thread protector
• Adjustable rear target sight with white outline; serrated front sight with fiber optic insert
• Extended ambidextrous thumb safety; skeletonized hammer and trigger with crisp 4-5 lb pull
• Checkered walnut grips with double-diamond pattern; includes one 7-round and one 8-round magazine

• Overall length: 8.6 inches; height: 5.5 inches; width: 1.25 inches
• Unloaded weight: 40 ounces; loaded weight approximately 47 ounces
• Trigger reach: 2.8 inches; grip circumference: 5.2 inches
• Magazine capacity: 7+1 or 8+1 depending on magazine used
• Action: single-action semi-automatic; manual safety with firing pin block

Who It Is For

The Springfield 1911 Master Class Silent Operator is designed for the experienced handgunner who requires a dedicated suppressed host or a competition-ready 1911 with tactical utility. It is well suited for shooters who engage in USPSA Single Stack or Limited divisions, law enforcement personnel seeking a precision sidearm for specialized units, and civilian owners who prioritize accuracy and modularity in a defensive platform. The threaded barrel and black nitride finish make this an ideal choice for those who regularly train with suppressors or need a corrosion-resistant firearm for humid or maritime environments. This model is not intended for casual range use or concealed carry due to its full-size frame and weight; it excels in roles where mechanical precision and accessory integration are paramount.

Shipping & FFL

This firearm will ship to a Federal Firearms License (FFL) dealer of your choice. Upon order placement, we will request a copy of your selected dealer’s current FFL license. You must verify that your dealer is willing to accept and process the transfer prior to purchasing. All federal, state, and local laws apply; it is your responsibility to ensure compliance with applicable regulations. We do not ship to P.O. boxes, and signature is required upon delivery. Please allow 3-7 business days for processing and shipment after FFL verification is complete.