Newly released Grip Stop from Lanco Tactical which you can order now for US$64.95... "The Grip Stop™ Mod 2 is the next step in the evolution of the original Grip Stop™ design. It takes the original Grip Stop™ and adds the ability to mount it directly onto any standard 1913 Picatinny rail. 100% Designed and Made in the USA. Made from solid billet aluminum and then hard coat anodized black.

The Grip Stop™ Mod 2 fits:

• MK-18 Block 2 (Daniel Defense)
• Heckler & Koch 416 & M27 IAR
• KAC MK-11, MK-12 & M110 Sniper Rifles
• Standard Issue M-16A4, M4 & M4A1
• Any Mil-Std 1913 Picatinny Rail

Weighs just over 3 ounces!

Designed by a former USMC combat veteran to fill the void between using a vertical grip and and hand stop. The GripStop™ Mod 2 allows a variable angle grip to prevent locking the wrist. Use as an assist to the modern 'C grip' technique or as a barrier stop."