Apex Tactical Specialties Barrel Fitting Jig Red. Aids in the proper fitting and installation of the Apex Grade Barrel Machined from a billet of aluminum and anodized Apex red Applicable To What Gun(s) Works with the Apex Grade Barrels for the Smith & Wesson M&P and M&P M2.0. Does NOT work for fitting other aftermarket barrels. Specifications for Apex Tactical Specialties Barrel Fitting Jig: Manufacturer: Apex Tactical Specialties Gun Model: Smith & Wesson M&P Smith & Wesson M&P M2.0 Fabric/Material: Aluminum Finish: Red Package Contents: Apex Tactical Specialties Barrel Fitting Jig What firearm models does the manufacturer say Apex Tactical Specialties Barrel Fitting Jig is compatible with? The manufacturer suggests that Apex Tactical Specialties Barrel Fitting Jig is compatible with Smith & Wesson M&P M2.0 Smith & Wesson M&PApex Tactical Specialties 104-141: Barrel Fitting Jig Red