BoreBuddy’s modular chamber adapter inserts into a dedicated 22lr bolt group to allow your bolt to be used in a .223/5.56 upper.
Compatible with AR uppers chambered in .223/5.56.
No need to purchase additional parts or swap the collar on your bolt; just insert the adapter to convert your bolt to a conversion kit. BoreBuddy collar recommended due to increased retention force.
$61.50
If you’re using an adjustable gas block that can be adjusted easily, we recommend closing it completely when shooting 22lr in a .223/5.56 barrel to keep the gas system clean and the gas out of your face. The conversion kit is a blowback action and does not require any gas to be diverted into the gas tube.
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