MatchGrade Rifle Bedding Compound
Rifle bedding is fundamental to rifle accuracy. There is no way around this.
The term bedding refers to the fit and stability of a barreled action within the rifle stock. If the fit and stability of the metal work in relationship to the stock is poor, the rifle will be inaccurate.
In order for a rifle to shoot accurately, the number one rule is that everything needs to be the same with each shot. There are several variables to rifle accuracy, bedding is one of the critical factors.
Under recoil, the rifle action undergoes movement and stress. When a shot is fired, the pressure of the cartridge produces recoil within the stock, the action is forced backwards and then returns forwards. If the action does not return to the same point after each shot (this term is called "battery" with relevance to artillery) then the rifle will be inaccurate. If any areas of the stock are pinching or exerting excess pressure against the barreled action, accuracy will be poor. This is why optimum bedding is so important.
With every shot, the barreled rifle action moves and vibrates within the rifle stock. The best way to picture the barrel is by using the analogy of a baseball pitcher. As the pitcher throws his ball, the slightest difference in his point of release will change the point of impact at the batter. The rifle barrel is just the same and "whips" with each shot. If the barrel is unable to whip the same way each time, the bullet will strike to a different point of impact.