No, this buffer tube is for pistols. You will need to check with your local ATF office regarding legality of attaching the Zulu to a pistol.
It should work with the standard carbine buffer and spring.
This is the same diameter as the SB-Tactical models and should work with the SB-Tactical braces.
No. The TRYBE Defense AR-15 Buffer Tube is a straight tube 1.24" in diameter. It is not compatible with Milspec, Commercial, or fixed buttstocks.
The TRYBE Defense AR-15 Buffer Tube, Pistol can be used with an endplate that has a QD mount.
Yes, the TRYBE Defense AR-15 Buffer Tube is compatible with the Skeletonized Pistol Arm Brace because it has a tube diameter of 1.25".
The SBPDW brace is not compatible with this TRYBE Defense AR-15 Buffer Tube. The SBPDW Brace is only compatible with the buffer tube assembly that brace comes with.
MPN:BTPIST is a pistol buffer tube and is neither mil-spec nor commercial.
It is 1.24" in diameter.
MPN:BTPIST is a pistol buffer tube and is neither mil-spec nor commercial.