This is the Magpul M-LOK Index Stop.

Designed as a compact hand stop and indexing point, the M-LOK Index Stop helps provide a more consistent support-hand position without adding much weight or bulk to your rifle.

It’s made from durable polymer and features a ridged and textured surface that gives your hand extra traction, while the minimal footprint leaves plenty of rail space open for other accessories.

On top of it all, it’s made right here in the USA! Regardless of which rifle you’re updating, this index stop is sure to please!

Note: this index stop is compatible with octagonal aluminum handguards only. It does integrate with Magpul Type 2 M-LOK Rail Covers.

These are sure to sell quickly, so grab a few while you still can!