Marui Spec SAI G34 Guarder and GunsModify GM SAI G34 aluminum slide kit with STEEL fluted outer barrel Detonator Steel Warren sights. Dot on dot with faux tritium Trijicon inserts. Guarder lightweight BBU GM ported piston lid Guarder nozzle AIP hop unit with Maple Leap hop packing, I-key, and gold adjustment wheel, A1A extended tight bore inner barrel. GM or Guarder spring guide with 125% spring. End of the guide is dimpled like the real one. Guarder frame, stippled and undercut. Euro trades Front and rear steel chassis Guarder plastic safety delete plate with Guarder serial # tab GM extended steel takedown lever with LoneWolf trades Guarder small spring set GM trigger bar GM SAI flat face trigger. Already set for minimal pretravel GM STEEL zero hammer set GM 125% hammer spring GM steel valve knocker reset GM frame pins GM SAI magwell Comes with 1 Marui G17 mag with SD baseplate **you have to modify your baseplates to mimic the step on the SD plate to fit the magwell; Prowin mags work just fine Never fielded. Ask me if you have any questions $650 OBO free shipping. US sales only