The Guntec USA AirLok Series M-LOK Compression Free Floating Handguards are 4" to 15" in length. Guntec USA does not provide any additional information regarding the length.
Yes, the Guntec USA AR-15 Air-Lok Series M-LOK Compression Free Floating Handguard will fit Mil-spec AR platform rifles and pistols. It will include the barrel nut and necessary hardware.
The Guntec USA AR-15 Air-Lok Series M-LOK Compression Free Floating Handguard will come with the proprietary barrel nut. However, It will not come with any tools.
The Guntec USA AR-15 Air-Lok Series M-LOK Compression Free Floating Handguard does not include a gas block. You would need a low profile block in order to fit this rail. The internal diameter is 1.32".
Yes. The Guntec USA AR-15 Air-Lok Series M-LOK Compression Free Floating Handguard is designed for the AR15 platform that use low profile gas blocks.
Depending on the model you choose, yes, it will work with a carbine and/or rifle length gas system.
Yes, they would be compatible.
Proprietary Barrel Nut Included