The FBI tests of the Carcano's accuracy showed:
1) FBI firearms expert Robert A. Frazier testified that "It is a very accurate weapon. The targets we fired show that."[29] From 15 yards (14 m), all three bullets in a test firing landed approximately 2 1/2 inches high, and 1-inch (25 mm) to the right, in the area about the size of a dime.[30] At 100 yards (91 m), the test shots landed 2 1/2 to 5 inches (130 mm) high, within a 3 to 5-inch (130 mm) circle. Frazier testified that the scope's high variation would actually work in the shooter's favor: with a target moving away from the shooter, no "lead" correction would have been necessary to follow the target. "At that range, at that distance, 175 feet (53 m) to 265 feet (81 m),[31] with this rifle and that telescopic sight, I would not have allowed any lead — I would not have made any correction for lead merely to hit a target of that size."
2) The rifle was unable to be "sighted-in", using the scope, without the installation of 2 metal shims (small metal plates) which were not present when the rifle arrived for testing, and were never found.[32] Frazier testified that there was "a rather severe scrape" on the scope tube, and that the sight could have been bent or damaged. He was unable to determine when the defect occurred before the FBI received the rifle and scope on November 27, 1963.
Ballistics Research Laboratory tests
In an effort to test the rifle under conditions which simulated those which prevailed during the assassination, the Infantry Weapons Evaluation Branch of the U.S. Army's Ballistics Research Laboratory had expert riflemen fire the assassination weapon from a tower at three silhouette targets at distances of 175, 240, and 265 feet (81 m).[33] Using the assassination rifle mounted with the telescopic sight, three marksmen, rated as master by the National Rifle Association, each fired two series of three shots. In the first series the firers required time spans of 4.6, 6.75, and 8.25 seconds respectively. On the second series they required 5.15, 6.45, and 7 seconds. The marksmen took as much time as they wanted for the first target at 175 feet (53 m), and all hit the target. For the first four attempts, the firers missed the second shot at 240 feet (73 m) by several inches. Five of the six shots hit the third target at 265 feet (81 m), the distance of President Kennedy from the sixth floor window when he was struck in the head.[34] None of the marksmen had any practice with the assassination weapon beforehand except to work the bolt.
John F. Kennedy assassination rifle - Wikipedia, the free encyclopedia
I am reading from the REPORT OF THE WARREN COMMISSION ON THE ASSASSINATION OF PRESIDENT KENNEDY, The New York Times Edition.
"The three experts each fired three shots from the weapon at 15 yards in 6, 7, and 9, seconds, and one of these agents, Robert Frazier fired two series of three shots at 25 yards in 4.6 and 4.8 seconds. At 15 yards each man's shot landed within the size of a dime. The shots fired by Frazier at the range of 25 yards landed within an area of 2 inches and 5 inches respectively. Frazier later fired four groups of three shots at a distance 100 yards in 5.9, 6.2, 5.6 and 6.5 seconds. Each series of of three shots landed in an areas ranging in diameter from three to 5 inches."
This testing is irrelevant since Frazier and the two FBI men whose results were not recorded were firing at stationary targets that barely fall within the time range established by the WC. A dime size group at 15 yards is inconclusive at 100 yards a 3 to 5 inch group is poor accuracy even in 1963 but since the tests are conducted within a time frame maybe the weapon would fire better if the shooters took their time. Instead though, the WC is trying to establish data where the Dealey Plaza time frames are made believable except these tests are under very different circumstances.
The WIKI point #2 is total bogus. Ronald Simmons, Chief of the Infantry Weapons Evaluation Branch of the Ballistics Research Labratory of the Department of the Army states, "they could not sight the weapon in," he explains "well they could not sight the weapon in using the telescope." Simmons also pointed out that rifle aiming device was rebuilt by a machinist who added two shims, one which tended to adjust the azmith and the other the elevation. Simmons, just like the riflemen, was employed by the Warren Commission.
What does that mean the shims "were never found." The WC lost Oswald's shims? What a crock, the shims were produced for the WC tests and were not present when the Mannlicher Carcano was found on the 6th floor TSBD. The rifle could not be sighted in and unless Oswald had a machinist assiting him on the 6th floor with some missing shims for his rifle then the point stands.
The "Ballistic Research Labrotory Tests" is more deceptive bogus. Where was the elevation noted? Where was the fact that the targets were stationary disclosed? Yep, WIKI is for the lazy, thoughtless sheep.
Here is a more accurate assessment which I provided before;
The Warren Commision employed three riflemen rated as Masters by the NRA to fire the Mannlicher Carcano during shooting tests. Out of 5 shooting NRA grades, Master is the highest level and only awarded to the most outstanding riflemen. Two of the riflemen where were civilians and one was in the US Army at the time of the tests. The 6th story window was 60 feet off the ground where the Master Marksmen fired from an elevation estimated by Ronald Simmons, Chief of the Infantry Weapons Evaluation Branch of the Ballistics Research Labratory of the Department of the Army, to be 30 feet off the ground. Oswald supposedly fired at moving target where the experts fired at a stationary targets. In the simulated environment these experts could commence firing whenever they were ready where the assassin(s) had to shoot while the target presented itself.
The experts fired two series of three shots, 6 each for a total of 18 shots, at three stationary targets placed at distaces of 175, 240 and 265 feet respectively. According to Simmons who arranged the test the targets were not as far apart as they should have been to represent the actual position of the limo. Simmons stated that the condition of the field was a "little awkward."
Of the three experts, only one was able to get off the three shots in the required time where he fired three shots 4.6 and 5.1 seconds. The other two Master Riflemen required 6.45, 6.75, 7.0 and 8.25 seconds. Not one of the 18 shots struck the head or neck area of the targets. These tests where conducted under far less demanding circumstances then was attributed to a below average shooter LHO. So you not only have a rifle and rifleman unable to make these shots but you have 3 outstanding riflemen, not "novices," at far less demanding conditions with a rebuilt scope unable to score one hit on easier shots and only 1 to make the shots in the time frame as determined by the Warren Commission.
The unavoidable conclusion based on facts, provided in good faith, is that no Master Rifleman or anyone else has ever come close to reproducing the string of shots attributed to a below average marksman, LHO. The lone gun man theory cannot stand on its own two legs.