LaRue Tactical Surefire Mount Upgrade Black. Like the LT270 the LT270L also adds LaRue QD capability to your Surefire Weaponlight. The perfect upgrade for your SureFire WeaponLight. Replaces SureFire M900 M951 and M961 WeaponLight mounts in minutes. The LT270L provides an adjustable speed lever that is infinitely adjustable to any MIL-STD 1913 Picatinny rail. Comes complete with Mounting hardware QD adjustment wrench vial of blue Locktite and Instructions. Specifications for LaRue Tactical Surefire Mount Upgrade: Manufacturer: LaRue Tactical Color: Black Package Contents: LaRue Tactical Surefire Mount Upgrade LaRue Tactical LT270L: Surefire Mount Upgrade Black