About this product

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

This pistol represents a focused design philosophy: delivering sub-minute accuracy from a suppressed platform without compromising reliability. The Springfield 1911 Master Class Silent Operator 45ACP Black Nitride with Threaded Barrel combines match-grade barrel tolerances with a factory-threaded muzzle, purpose-built for users who require a dedicated host for sound suppression. Every component on this firearm is selected for function, from the black nitride finish to the target-grade trigger system.

Overview

Built on Springfield Armory’s Master Class framework, this 1911 is engineered for precision shooting with a suppressor attached. The 5-inch barrel is fitted with a 1/2×28 TPI threaded muzzle, protected by a knurled thread cap when the suppressor is not in use. The black nitride treatment is applied to both the carbon steel slide and frame, providing a corrosion-resistant surface with a low-reflectivity matte finish. This is a full-size, all-steel 1911 chambered in .45 ACP, utilizing a standard 7-round magazine. The slide features forward and rear cocking serrations, and the ejection port is lowered and flared for consistent case ejection under suppressed cycling.

Features & Specs

• Barrel and Threading: 5-inch match-grade barrel, carbon steel, black nitride finish. Factory threaded 1/2×28 TPI. Includes knurled thread protector. Barrel is bushing-fit with a target-grade lockup.
• Frame and Slide: Forged carbon steel frame and slide, black nitride finish. Flat mainspring housing. Extended ambidextrous thumb safety. Lowered and flared ejection port. Novak LoMount carry rear sight with fiber optic front sight.
• Trigger and Action: Single-action trigger, factory tuned to a 4.5-5.0 lb pull weight. Skeletonized aluminum trigger shoe with overtravel adjustment. Full-length guide rod with reverse plug.

The springfield 1911 master class silent operator 45acp black nitride with threaded barrel ships with one 7-round magazine, a lockable hard case, cable lock, and owner’s manual. Overall length is 8.6 inches with the thread cap installed; weight is approximately 40 ounces unloaded.

Who It Is For

This pistol is intended for the experienced shooter who prioritizes suppressed accuracy. It is suited for competitive shooters in USPSA Single Stack or IDPA CDP divisions who wish to train with a suppressor, as well as for civilian defensive use where a dedicated suppressor host is required. The black nitride finish and threaded barrel make this platform appropriate for users who carry in humid or coastal environments and need a low-maintenance finish. It is not recommended for users seeking a lightweight carry piece or for those who do not intend to use a suppressor, as the threaded barrel adds length and the full-size frame requires a proper holster. The springfield 1911 master class silent operator 45acp black nitride with threaded barrel is designed for the shooter who demands sub-2-inch groups at 25 yards from a rest, with or without a can attached.

Shipping & FFL

This firearm ships to your chosen Federal Firearms License (FFL) dealer within the United States. Before placing your order, please confirm that your receiving FFL dealer is willing to accept the transfer and that the springfield 1911 master class silent operator 45acp black nitride with threaded barrel is legal to possess in your state and local jurisdiction. Transfer fees are determined by the receiving FFL dealer and are not included in the listed price. We ship via FedEx overnight or UPS Next Day Air, with adult signature required at delivery. A copy of the receiving FFL must be on file before shipment. By purchasing, you certify that you are 21 years of age or older, legally eligible to possess a firearm, and that all information provided is accurate. All sales are final; no returns or refunds on firearms. The springfield 1911 master class silent operator 45acp black nitride with threaded barrel is subject to all applicable federal, state, and local laws. Please allow 3-7 business days for processing and shipping after FFL verification.