Home CMMG How To Install: SBA3 and SBA4

How To Install: SBA3 and SBA4

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This video provides instructions on how to install the SBA3/SBA4 Pistol Stabilizing Braces on to an AR platform using a MIL-SPEC carbine receiver extension.

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17 COMMENTS

  1. Not happy with this cheap over priced brace it’s very wobbly and wanky to say the least. My friend ordered a Chinese one from alibiba it fits better and looks identical for a quarter of the price.

  2. Do you need to replace the buffer tube if the gun already has one on it? Example-I have a MK18 with the SOB on it and I want to swap that for the SBA3 or SBA4. Can i just pull the brace off and replace it or do I need the brance and buffer tube?

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