Magpul M-LOK Thumb Shelf - Black

Getting your support hand into the same position on every shot is harder than it sounds — especially under stress or during rapid fire. The Magpul M-LOK Thumb Shelf gives your thumb a fixed reference point on the handguard, so your grip is consistent from the first shot to the last.

The Magpul M-LOK Thumb Shelf is an ambidextrous support-hand accessory that provides a defined thumb placement reference on M-LOK-equipped rifles and carbines.

The curved, ribbed top surface keeps your thumb planted against the handguard rather than riding passively on top of it. That active contact helps manage muzzle rise during rapid fire and gets the sights back on target faster between shots. The design works equally well for right- and left-handed shooters without any modification. At just 0.4 oz and one M-LOK slot, it takes up almost nothing in weight or handguard space.

Compatible with octagonal aluminum M-LOK handguards and forends. Requires one M-LOK slot. Not compatible with polymer M-LOK handguards, wide-surface handguards, or polymer forends.

Molded from Magpul's proprietary polymer. Measures 1.55 inches maximum length. Weighs 0.4 oz with hardware installed.

A useful addition to any rifle used for competition, tactical training, or any discipline where faster follow-up shots matter.

Magpul is an American manufacturer known for practical, well-engineered accessories that improve performance without adding unnecessary bulk. Made in the USA.