Originally Posted by
ThreeFingerPete
If you can find a set of those shims, it might sort you out. If not, talk to some old trap shooters. Shotgun barrels aren't magic, so they bend them often enough to get them to shoot right. Obviously there isn't much barrel to bend, but it doesn't take much.
On a pump gun the Remington LE armorer guru, Lyle Wheelock, taught to adjust via the mag tube. I've done it on the range using a receiver hitch receptacle on the back of our range van.
Originally Posted by
BKS
From someone who has SBS'd a shockwave. It will shoot a foot high at 7 yards with any full sized buttstock added to it. A shockwave was my first NFA item and now I hate it. I am waiting to have ghost rings added to it so maybe it is useable. The barrel has NO taper to it causing for me at least to not be able to get a good sight picture. I tried the SGA and a 12" hogue and could still see half of the barrel resulting in the shots going high.
I'd have to see you in your shooting stance, but shooting high is a pretty common thing for folks who bury the stock in their shoulder. To mount the shotgun keep your head erect, bring the comb of the stock up until it hits your cheek, and then back to the shoulder. The range mantra is 'head erect, up to the cheek, back to the shoulder.'
The flat portion of the upper receiver serves as the rear sight plane on non-ribbed police/HD barrels, the bead should appear to be sitting on the rear sight plane, just as the sun appears to be sitting on the edge of the world as it begins to drop below the horizon as seen in the South Pacific.
Check to see if you are doing that.
Good luck.
Last edited by 26 Inf; 04-27-20 at 00:12.
Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.
Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee
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