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How to Convert Your AR-9 Lower to a Bufferless System with BCA's Upper Conversion Kit
2 years ago
649
Here is a quick tutorial video on how you can expect to convert your lower to accommodate the new 9mm bufferless upper.
The only specialty tool you will need is a castle nut wrench upon installation.
Buy yours here: https://www.bearcreekarsenal.com/guns-parts/ar-9.html
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