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Smyth Busters: Does an AR-15 Castle Nut Have To Be Staked?

Smyth Busters: Does an AR-15 Castle Nut Have To Be Staked?

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Published on August 25, 2020
Duration: 4:07

This video addresses the long-standing debate on whether to stake an AR-15 castle nut to the endplate. Brownells Gun Techs Steve and Caleb discuss the practical implications of staking versus not staking. Caleb advocates for staking, citing real-world experience where castle nuts can loosen with heavy use, especially on law enforcement, military, and competition firearms. For those who frequently modify their AR-15s, the video introduces the Primary Weapon Systems (PWS) Ratchet Lock Castle Nut & End Plate as an alternative that maintains tightness while allowing for easier removal. The hosts aim to bust the myth that not staking is the correct approach for serious AR-15 users.

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