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I have the SB tactical brace. Can I swap out the buffer tubes use the same brace and rails and just change the tube and spring? — 3 Answers

by Charles, from FL, United States Asked on February 8, 2020

Name Maxim Defense Industries CQB Buffer Tube (5)
As Low As $58.99 Save Up to $2.01
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Answered by Davis N., Gear Expert, from IL, United States, on February 12, 2021

SB items may or may not fit the Maxim tube.

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Answered by Leftheavy, member, from AL, United States, on November 01, 2020

Yes. If you do that, you're essentially building the Maxim Defense PDW package. The SBPDW housing is made by Macim Defense, and is the exact same thing as the Maxim Defense CQB housing, but without the QD sling swivels milled in. All of the parts are interchangeable.

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Answered by Leftheavy, member, from AL, United States, on November 01, 2020

Yes. If you do that, you're essentially building the Maxim Defense PDW package. The SBPDW housing is made by Macim Defense, and is the exact same thing as the Maxim Defense CQB housing, but without the QD sling swivels milled in. All of the parts are interchangeable.

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