The Strike Industries AR-15 Lower Receiver Spring Replacement Kit is an essential set for any AR-15 builder or enthusiast. This 9-piece kit includes the most commonly replaced or easily lost springs when assembling a stripped lower receiver. Each spring is built to Mil-Spec standards and ensures reliable performance. Included are springs for the bolt catch, disconnector, buffer retainer, trigger, hammer, magazine catch, selector, and two detents—making it a convenient and complete replacement solution.
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