[Ben Holmes]

(39) The bullets recovered from Tippit's body were consistent with being fired from Oswald's .38.

This is simply another way of saying: "We couldn't honestly state that we found any matches". This is one of the biggest stretches the Warren Commission made - they knew they had a fairly weak case against Oswald, so by framing him with the Tippit killing, they believed that they could influence people to believe the killings were somehow related.

But it really makes no sense at all.

The Warren Commission even went to the trouble of 'expert witness shopping' - since their FBI ballistic experts declined to match any Tippit bullets to the alleged Oswald pistol. They found Joseph Nicol willing to match one of the bullets... however, as Dale Myers (no friend of critics) has written:
 

Dale Myers Wrote:One ballistic expert, Joseph D. Nicol, did find "sufficient individual characteristics" on one of the four bullets to reach the conclusion that it had been fired from Oswald's revolver to the exclusion of all other weapons. However, none of the eight ballistic experts who have examined the bullets agree with Nicol's positive identification.

You won't find Vincent Bugliosi telling you this...