{"product_id":"magpul-m-lok-thumb-shelf","title":"M-LOK® Thumb Shelf","description":"\u003cp\u003eMaintaining consistent support-hand placement during rapid fire or barrier transitions can be challenging without a tactile reference point. Slippage or inconsistent thumb indexing directly impacts how effectively you can drive the muzzle and manage recoil impulses.\u003c\/p\u003e\n\u003cp\u003eThe Magpul M-LOK® Thumb Shelf (MAG1566) delivers a low-profile indexing solution that takes up just a single M-LOK slot. Positioned along the upper bevel of an octagonal handguard, it provides an ergonomic ledge for the support-hand thumb. This indexing point enables the shooter to apply downward leverage against muzzle rise, improving follow-up shot speed and consistency.\u003c\/p\u003e\n\u003ch6\u003eKey Features\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent Thumb Indexing: Establishes a repeatable tactile reference point for the support hand to ensure uniform grip placement.\u003c\/li\u003e\n\u003cli\u003eRibbed, Curved Contact Surface: The contoured top surface features textured ridging for increased thumb traction during movement and recoil control.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous Mounting: Mounts on either side of the handguard to accommodate right- or left-handed shooting styles.\u003c\/li\u003e\n\u003cli\u003eCompact Footprint: Uses minimal rail space, occupying only one M-LOK slot, leaving ample room for weapon lights, switches, and sling mounts.\u003c\/li\u003e\n\u003cli\u003eBarrier Support: Designed to assist with hand placement when bracing the rifle against barricades or artificial cover.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eTechnical Highlights\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Magpul\u003c\/li\u003e\n\u003cli\u003eMaterial: Proprietary Magpul reinforced polymer\u003c\/li\u003e\n\u003cli\u003eOverall Length: 1.55 in.\u003c\/li\u003e\n\u003cli\u003eWeight: 0.4 oz. (with mounting hardware)\u003c\/li\u003e\n\u003cli\u003eAttachment Interface: 1 M-LOK Slot\u003c\/li\u003e\n\u003cli\u003eCompatibility: Compatible with octagonal aluminum M-LOK handguards only. Not compatible with polymer handguards or wide-profile chassis like the Magpul Pro 700.\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eApplications\u003c\/h6\u003e\n\u003cp\u003eIdeal for modern sporting rifles, tactical setups, competition shooting (IPSC\/USPSA\/3-Gun), and airsoft platforms using octagonal aluminum handguards where efficient rail space utilization and grip repeatability are required.\u003c\/p\u003e\n\u003ch6\u003eFAQ\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eQ: Will the Magpul M-LOK Thumb Shelf fit polymer M-LOK handguards?\n\u003cul\u003e\n\u003cli\u003eA: No. Magpul specifies that the M-LOK Thumb Shelf is compatible only with octagonal aluminum handguards and will not properly fit polymer handguards or forends with wide flat surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eQ: How many M-LOK slots are required for installation?\n\u003cul\u003e\n\u003cli\u003eA: The Thumb Shelf requires exactly one M-LOK slot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magpul","offers":[{"title":"Black","offer_id":49231360950462,"sku":"MA380450307","price":145.0,"currency_code":"HKD","in_stock":true},{"title":"Coyote Brown","offer_id":49231361015998,"sku":"MA380450311","price":145.0,"currency_code":"HKD","in_stock":false},{"title":"Flat Dark Earth (FDE)","offer_id":49231360983230,"sku":"MA380450313","price":145.0,"currency_code":"HKD","in_stock":true},{"title":"OD Green","offer_id":49231361048766,"sku":"MA380450340","price":145.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/0368\/2494\/files\/MA380-M-LOK_ThumbShelfbk.jpg?v=1791260307","url":"https:\/\/pts-steelshop.com\/products\/magpul-m-lok-thumb-shelf","provider":"PTS Steel Shop","version":"1.0","type":"link"}