{"product_id":"km4-sr-free-float-rail-base-ring-assembly-part-537s","title":"KM4 SR Free Float Rail Base Ring Assembly (Part 537S)","description":"\u003cp\u003eThe SR free float rail base ring assembly contains everything you need to attach the KWA SR rails to your KM4 AEG. In this brand new package, you can customize your KM4 to fit your own style of play, whether it’s with the SR7, SR10, or SR12 free float rails (sold separately). Pick up a kit at this special price while they last!\u003c\/p\u003e\n\u003cp\u003eContents:\u003c\/p\u003e\n\u003cp\u003e1x Free Float Rail Base, Part 537\u003c\/p\u003e\n\u003cp\u003e1x Free Float Rail Barrel Ring, Part 538\u003c\/p\u003e\n\u003cp\u003e1x Free Float Rail Knurled Handguard Ring, Part 539\u003c\/p\u003e\n\u003cp\u003e2x Rail Alignment Pins, Part 541\u003c\/p\u003e\n\u003cp\u003e8x Free Float Rail Base Screws, Part 553\u003c\/p\u003e","brand":"KWA","offers":[{"title":"Default Title","offer_id":43876823695496,"sku":"199-1002-0537S","price":36.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/0322\/0616\/files\/537S.png?v=1753478047","url":"https:\/\/airsoft-barracks.com\/products\/km4-sr-free-float-rail-base-ring-assembly-part-537s","provider":"Airsoft Barracks","version":"1.0","type":"link"}