The Maxim SCW should work with the Franklin Armory binary trigger.
Yes, the bolt carrier is included.
The Maxim Defense Industries SCW Stock Gen 7 do not include a BCG. Included is the SCW Stock with the standard 3.3 ounce Maxim buffer and spring.
The Maxim Defense Industries SCW Stock is compatible with the PDX in 7.62x39.
These Maxim Defense Industries SCW Stock Gen 7 for AR-15 come with the standard buffer.
No, it wouldn't. Proprietary BCG already in the package.
No, this would only be compatible with 5.56, .300 BLK, 7.62x39 and 9mm.
No, you will need to use their provided BCG which is shorter.
No, you will need to use the supplied BCG.
The significant difference is the overall length of the set up and the fact that the SCW uses proprietary parts to accomplish the shorter length. If there are two specific units you are looking at please feel free to email us at techsales@opticsplanet.com and we can help to provide you with the exact differences depending on specifically which units you are interested in.