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Hi William and welcome. Not as configured. You will need to replace the circular buffer tube with a slotted buffer tube for the SBA3 to work (or buy the SBA3 with the buffer tube) : https://www.budsgunshop.com/product_info.php/products_id/130122/lbe+unlimited+mbuf002+mil-spec+buffer+tube+6+position+ar-15+black