Poly Technologies AK47 Front Sight Base Black. (FSB) We have had several requests for the front sight base housing and here it is The Sight housing is laser engraved PolyTech and on the bottom. Now you can add the spike bayonet to your PolyTech or Chinese rifles. Perfect for the MAK9 conversions or complete AK-47 builds. Checkother listings for a AK47 front sight base (FSB) with a complete bayonet assembly. Specifications for Poly Technologies AK47 Front Sight Base: Manufacturer: Poly Technologies Gun Model: AK-47 Gun Make: Kalashnikov Condition: New Gun Type: Rifle Package Contents: Poly Technologies AK47 Front Sight Base What firearm models does the manufacturer say Poly Technologies AK47 Front Sight Base is compatible with? The manufacturer suggests that Poly Technologies AK47 Front Sight Base is compatible with AK-47Poly Technologies 70002601: AK47 Front Sight Base Black