Magpul M-LOK Thumb Shelf

Magpul M-LOK® Thumb Shelf is a compact, ambidextrous thumb support designed to improve support-hand consistency and provide additional leverage against muzzle rise. Its ribbed, curved top gives the thumb a positive contact surface during recoil, helping maintain control without taking up unnecessary rail space.

The Thumb Shelf uses only one M-LOK slot and is molded from Magpul’s proprietary polymer. It can also provide a useful contact point when bracing against a barrier.

FEATURES:
• Consistent reference point for support-hand placement;
• provides leverage against muzzle rise;
• ribbed, curved top for improved thumb contact during recoil;
• ambidextrous design;
• uses only 1 M-LOK slot;
• molded from Magpul’s proprietary polymer;
• made in the USA.

Mounting system: M-LOK
Rail space required: 1 M-LOK slot
Maximum length: 39 mm
Weight with hardware: 11 g

Compatibility: compatible with octagonal aluminum M-LOK handguards only. Not compatible with polymer M-LOK handguards/forends or handguards with wide flat surfaces, including the Magpul Pro 700.