CMMG- 55AFF75 AR15 Lower Pins and Springs Lower AR-15/M16/M4 Black

Overview

The CMMG AR-15 Lower Parts Kit is a comprehensive set of essential springs and pins required for the assembly or maintenance of an AR-15, M16, or M4 lower receiver. This kit is ideal for builders completing a custom lower or for armorers requiring spare hardware to address common component loss or wear during rifle maintenance. The kit includes the following hardened steel components: hammer and trigger springs, two hammer/trigger pins, two takedown/pivot pin detent springs, two takedown/pivot pin detents, a disconnector spring, safety selector detent and spring, bolt catch spring and plunger, buffer retainer spring and plunger, a trigger guard roll pin, and a bolt catch roll pin. All parts are manufactured to meet military specifications for dimensional consistency and reliability.

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