Bolt Catch Spring

This Mil-Spec bolt catch spring is a standard-power replacement component designed to provide consistent tension and reliable bolt catch engagement on both AR-15 and AR-10 platforms. Proper spring tension is essential for smooth bolt lock-back and positive bolt release during operation.

Manufactured in the USA to Mil-Spec standards, this spring ensures correct fit and dependable performance when paired with compatible bolt catch components. Ideal for new builds, lower parts kits, or replacing worn springs, it helps maintain proper function and long-term reliability of your rifle’s bolt catch system.

Compatible with both AR-15 and AR-10 receivers, this bolt catch spring is a small but critical part every builder should have on hand.

Features & Specs:

• Mil-Spec bolt catch spring

• Standard power

• Made in the USA

• Compatible with AR-15 and AR-10 platforms

• Provides reliable bolt catch engagement

• Ideal for replacements or new builds