1911 Short Block – Officer – Classic – 9MM

The 1911 Short Block – Officer – Classic – 9MM gives builders and gunsmiths a proven starting point for a traditional Officer-size 1911. Whether you are a dedicated DIY shooter or a professional gunsmith, this Short Block saves time, reduces complex fitting, and delivers dependable performance from the very beginning.

Each Short Block includes a matched slide, frame, and barrel, fit together using the same methods and standards found in our full custom builds. As a result, you gain accuracy, consistency, and reliability—while still keeping full control over the final configuration.

A Classic Foundation for Custom Builds

Instead of starting from bare components, this Classic 1911 Short Block provides a properly fit core. Therefore, you can focus on tuning, finishing, and personal touches rather than correcting alignment or fit issues later.

Precision Frame – Oriskany Arms

The Oriskany Arms Officer frame delivers classic styling with modern manufacturing quality.

• Precision cast from 4140 carbon steel

• CNC machined to final dimensions

• Heat treated to Rc 22–24 for durability

• Oversize frame rails for a tight slide-to-frame fit

• Clean, classic lines ideal for traditional builds

Because of this construction, the frame offers a strong, reliable base for a compact 1911 that shoots smoothly and consistently.

Classic Slide – Smooth and Reliable

TMC Classic 1911 slides start from 4140 bar-stock carbon steel and receive full CNC machining and heat treatment.

• High strength and long service life

• Excellent resistance to wear and fatigue

• Traditional serrations for positive grip

• Standard dovetail sight cuts

  • Rear: .495 x 65°

  • Front: .330 x 65°

As a result, the slide cycles smoothly and provides confident handling without sacrificing the classic 1911 look.

Match-Grade Barrel and Bushing

Every Short Block includes a TMC match-grade stainless barrel, machined in the USA for accuracy and longevity.

• Slightly oversized for tighter lockup

• Heat treated and cryo stress-relieved

• Precision broach-cut rifling

• Excellent accuracy with all bullet types

In addition, each kit includes a hand-fitted barrel bushing, which helps ensure consistent lockup and repeatable performance.

Precision Fit Where It Counts

• Slide-to-Frame Fit: Held to tight tolerances for smooth cycling and improved accuracy

• Barrel Fit: Carefully fit for solid lockup and dependable function

The kit also includes the recoil system and slide stop, which further reduces build time.

Parts Required to Complete the Build

To finish your Officer Classic 1911 Short Block, you will need:

• Plunger tube

• Mainspring housing and magazine release

• Hammer, sear, sear spring, and disconnector

• Trigger

• Thumb safety and grip safety

• Firing pin, firing pin spring, and firing pin stop

• Extractor and ejector

• Complete 1911 pin kit

Why Choose a TMC Classic 1911 Short Block?

Because this Short Block uses the same fitting standards as our full custom pistols, it delivers dependable accuracy and smooth operation right from the start. In short, it removes the most time-consuming part of a 1911 build while preserving the timeless Officer-size, classic 1911 style.

⚠️ FIREARM WARNING

1911 frames are serialized firearm components regulated by the BATFE.

• Must ship to a Federal Firearms License (FFL) holder

• All BATFE, GCA, and NFA rules apply

• You are responsible for confirming legality in your state

• Ensure your chosen FFL will accept and transfer the firearm

Thunder Mountain Custom, LLC is not responsible for shipping or administrative fees if an FFL refuses delivery.