Carlson's Choke Tubes Aluminum Snap Cap, .40 S&W, 5/pack - 00064

Our snap caps allow for safe release of firing pin springs. A spring loaded striking area cushions and protects firing pins. An excellent tool for teaching and eliminating flinching.Features:Prevents damage and prolongs main spring lifePrecision machined to true SAAMI specsPrimer material is correct hardness to prevent striker/firing pin over-protrusionAluminum won't damage the chamber/extractor/ejectorSnap caps are a critical training aid for learning how to fix malfunctions quickly and efficiently not only for competition shooters but for anyone who has a gun for self-defensePackages of 5 snap caps are bare minimum for training with multiple magazines for pistols