Carolina Shooters Conversion Parts

Thinking about actually converting my SAIGA X39 front end. Right now its only threaded. Would THESE make decent replacements?

https://www.carolinashooterssupply.com/AK74-FRONT-SIGHT-BLOCK-p/css-ak74-sightblock.htm
https://www.carolinashooterssupply.com/AK47-AKM-AK74-GAS-BLOCK-90-Degree-Gas-Port-p/css-ak47-gasblock-90.htm
https://www.carolinashooterssupply.com/AK47-AK74-AKM-Hand-Guard-Retainer-Bracket-p/css-ak47-retainer.htm

Thanks.