{"product_id":"lbe-mil-spec-4-position-buffer-tube","title":"LBE Unlimited MIL SPEC 4 Position Buffer Tube – AR-15\/M4 Platform","description":"\u003cp\u003eThe LBE Unlimited MIL SPEC 4 Position Buffer Tube provides a reliable foundation for adjustable carbine stocks on AR-15 and M4 platform rifles. Designed to mil-spec dimensions, this buffer tube offers four locking positions for length-of-pull adjustment, allowing shooters to customize fit for different body types, shooting positions, or gear configurations. Proper buffer tube function is essential for reliable cycling and consistent stock lockup.\u003c\/p\u003e\u003cp\u003eManufactured from durable aluminum with a hard-anodized finish, this buffer tube accepts any mil-spec carbine stock and standard buffer retention components. The castle nut threads and end plate slot ensure secure attachment to your lower receiver. Installation requires an armorer's wrench and basic understanding of AR-15 assembly—proper torque and staking of the castle nut is critical for safe operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Carbine Buffer Tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, M4, and mil-spec lower receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositions:\u003c\/strong\u003e 4-Position Adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Mil-Spec Diameter (1.146\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Armorer's Wrench and Proper Torque\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LBE Unlimited","offers":[{"title":"Default Title","offer_id":48535423975679,"sku":"LBMBT04POS","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5688059.jpg?v=1778982277","url":"https:\/\/doublestackstore.com\/products\/lbe-mil-spec-4-position-buffer-tube","provider":"Double Stack Store","version":"1.0","type":"link"}