The Lantac 01-GP-45-USS Ultimate Spring is a 4.5-pound trigger spring built for the Glock 17/19 Gen 1-4.

Key Specifications

• Fits the Glock 17/19 Gen 1-4.
• Rated at 4.5 pounds for a heavier, more consistent trigger pull.
• Measures 5.75 inches long.
• Cannot be shipped directly to California, per the manufacturer’s restriction.

Frequently Asked Questions

What pistols does this spring fit? It is built for the Glock 17/19 Gen 1-4.

What pull weight does this spring add? It is rated at 4.5 lbs, for a heavier, more consistent trigger pull than the factory spring.

Buy the Lantac Ultimate Trigger Spring

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