TMC Oversized Barrel Link Pin – Carbon Steel

TMC 1911 Oversized Barrel Link Pin – Carbon Steel

Maximum Strength and Precision Fit for Critical 1911 Lockup

To begin with, the TMC 1911 Oversized Barrel Link Pin – Carbon Steel provides a tight, secure fit at one of the most critical points in the 1911 operating system. Unlike many factory pins that run slightly undersized, TMC machines this pin to the maximum allowable diameter (.154–.156″) specified on the 1911 part print. As a result, it restores proper fit in barrels with worn or elongated link‑pin holes—without exceeding factory specifications.

Furthermore, TMC heat treats each pin for strength and longevity. Consequently, the pin resists shear, peening, and deformation even under heavy recoil and high round counts.

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Why an Oversized Barrel Link Pin Matters

First and foremost, the barrel link pin secures the barrel link to the barrel lugs. Because this joint controls barrel tilt, unlocking, and lockup timing, even slight looseness can reduce reliability and accuracy. Therefore, proper pin diameter remains essential for consistent performance.

By installing an oversized link pin, shooters remove unwanted play at the link interface. As a result, the barrel locks up more consistently, unlocks smoothly, and returns to battery with predictable geometry every cycle.

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Precision Manufacturing and Materials

Built for Strength, Wear Resistance, and Dimensional Accuracy

TMC machines each oversized link pin from high‑grade carbon steel, then heat treats it to precise specifications. In addition, final grinding ensures exact diameter and a smooth bearing surface for controlled movement.

Because carbon steel offers excellent strength and impact resistance, this pin performs exceptionally well in competition, duty, and high‑round‑count pistols. Moreover, the traditional blued finish adds corrosion resistance while maintaining a classic, professional appearance.

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Performance Benefits

Improved Timing, Lockup, and Service Life

With a tighter link‑to‑barrel connection, the barrel follows the intended timing curve. Consequently, the slide and barrel unlock in harmony, lock consistently, and reduce unnecessary stress on the link and lugs.

Additionally, proper fit minimizes timing variation. Therefore, feeding reliability improves, accuracy becomes more repeatable, and recoil impulse feels smoother and more controlled.

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Key Features and Specifications

• Product: 1911 Oversized Barrel Link Pin

• Material: Heat‑Treated Carbon Steel

• Finish: Blued

• Diameter: .154–.156″ (maximum in‑spec oversized)

• Function: Secures barrel link to barrel lugs for proper tilt, timing, and lockup

• Compatibility: Standard 1911 pistols

• Application: New builds, worn barrels, maintenance, and reliability upgrades

• Durability: Hardened for long service life under recoil stress

• Origin: Proudly made in the USA

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Installation and Safety Notes

Proper installation remains critical to safe firearm operation. Therefore, TMC recommends installation by an experienced individual familiar with the 1911 platform or by a qualified gunsmith.

Be aware that firearm modifications may affect the original manufacturer’s warranty. Additionally, no liability is expressed or implied for damage or injury resulting from improper installation or misuse.

California Proposition 65 Warning:
This product contains trace elements, including lead, known to the State of California to cause cancer or reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov.

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Depend on TMC for Critical 1911 Components

In conclusion, the TMC 1911 Oversized Barrel Link Pin – Carbon Steel offers a simple yet highly effective solution for restoring proper timing and lockup. By eliminating play at a critical pivot point, it improves reliability, enhances accuracy, and extends the service life of your 1911. For serious shooters and builders, this small component delivers a meaningful performance upgrade you can trust.