Oh dear friend, this passage in Luke 22:36-40 is not referring to actual violence. It is yet another fulfillment of prophecy in which our Lord frequently declared in the Gospels during various situations. In this case the prophecy fulfilled is Isaiah 53: 9-12. "v. 12 Therefore will I divide him a portion with the great, and he shall divide the spoil with the strong; because he hath poured out his soul unto death: and he was numbered with the transgressors; and he bare the sin of many, and made intercession for the transgressors."
Our Lord was to be numbered with the transgressors. The swords presence in the garden made our Lord's arrest legal (at the time of arrest). Peter was rebuked by the Lord for using one of the swords. Using them was never our Lord's intent. Can't you see that? He did not come here the first time to destroy men's lives, but to save them. We are commanded to be like Him in these matters and point men to the Savior, not to destroy men's lives.
Luke 22: 36 Then said he unto them, But now, he that hath a purse, let him take it, and likewise his scrip: and he that hath no sword, let him sell his garment, and buy one.
37 For I say unto you, that this that is written must yet be accomplished in me, And he was reckoned among the transgressors: for the things concerning me have an end.
38 And they said, Lord, behold, here are two swords. And he said unto them, It is enough.
It wasn't nearly enough for the self defense of all of the disciples but it was enough for the arrest and fulfillment of Isaiah 53. These swords were never to be used in resistance.
It is anti-Christ to believe that Jesus even excuses, much less condones, encourages, or commands violence to any other human being down here for any reason. Remember the New Testament reveals, explains and abolishes the Old.
"Ye have heard that it hath been said, An eye for an eye, and a tooth for a tooth: But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also."
There is not and will not be any time in your remaining physical life where it is OK to resist evil or disobey any of our Lord's commands. To do so is sin, to teach others to do so will regulate you to least in Heaven.
Matthew 5: 16. Let your light so shine before men, that they may see your good works, and glorify your Father which is in heaven. v 19. Whosoever therefore shall break one of these least commandments, and shall teach men so, he shall be called the least in the kingdom of heaven: but whosoever shall do and teach them, the same shall be called great in the kingdom of heaven.
Carrying a pistol with the intent to shoot someone in self defense is not Bible Christianity.
Just a warning friend, nothing more.