The Quad rail End Cap is a critical component in the firearms industry. Serving as the perfect accessory to complete your AR-15 or AR-10 handguard or handrail. Crafted with precision, this end cap offers a secure fit. Ensuring the stability and longevity of your firearm. It plays a pivotal role in protecting the exposed end of your handguard. Preventing damage and preserving the integrity of your rifle’s components. Whether you’re customizing your handguard or adding the finishing touch to your build, the Quadrail End Cap is designed to meet the demands of the modern shooter.

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