Thanks for asking! Let me start by explaining that, as part of Roddey's cavalry command in Alabama, Johnson's Brigade was not inspected with other commands in S. D. Lee's department. However, as quickly as General Forrest got control of these units he sought to make them effective as quickly as possible. Here's part of a communication concerning Roddey's Alabama Cavalry, just before Johnson's Brigade was packed up and shipped from Meridian to Atlanta --

HEADQUARTERS FORREST'S CAVALRY, Okolona, July 17, 1864.
[General S. D. LEE:]

I respectfully suggest that Roddey's command remain or be encamped at Tupelo...to be fitted up, rested, and reorganized....As soon as the [Mobile and Ohio] road is repaired, General Roddey, with his command, can occupy Corinth again. His command is small and I think it would be for the good of the service to form one brigade of his command, as he has present for duty barely men enough to make one good brigade....I would like to have 1,000 of the new Enfield rifles for my command. We lost a number in the recent engagement and after dividing out and issuing the 1,000 stand asked for, will turn over to the ordnance officer all excess in unserviceable and inferior guns.

N. B. FORREST, Major-General.

To answer your question, officers of both Johnson's and Patterson's Brigades received Colt model revolvers at Dalton GA during late March 1864. According to this regimental inventory dated July 2, 1864, Corinth MS, the Colts were still on hand --

Pickett's 10th Alabama Cavalry, requires 150 Enfield rifles. On hand -- 67 unserviceable muskets, 25 Enfield rifles, 16 Springfields, 41 Austrians, 4 cal. 52 carbines, 13 Army Colts, 9 Navy Colts. No cartridges available for the latter. The document includes a note suggesting that the four carbines and fifty-seven Springfields and Austrian Lorenz rifles be replaced by Enfields (150 + 61 = 211). Evidently the 22 Colts on hand carried by officers were those issued at Dalton.

The next available inspection of Roddey's Cavalry took place after Forrest's Tennessee raid of Sept.-Oct. 1864. For the late spring of 1864, I can think of no reason to believe that Pickett's regiment isn't representative of Roddey's other regiments. I will review composition of Johnson's Brigade at Brice's Crossroads if you wish.

Note that Forrest had immediately taken similar steps to organize, discipline, arm and equip Rucker's new brigade --

HEADQUARTERS FORREST'S CAVALRY, Tupelo, Miss., May 24, 1864.
Col. E. W. RUCKER, Commanding Sixth Brigade:

See that your command is fully armed and equipped, sending requisitions in due form for what is required....All deserters from cavalry commands you will dismount and disarm, and send them also, turning over to the quartermaster their horses and to your ordnance officer their arms....Notify these headquarters when ready for inspection and organization, and he will send an inspector-general to muster them....When men are dismounted you will have the horses turned over to the quartermaster, valued, and receipts given to the owners. You will also require the ordnance officer to give receipts for the arms....You will order an inspection of your command, and all public horses or captured horses suitable you will place in your artillery until it is properly fitted up.

By command of Major-General Forrest:
W. H. BRAND, Acting Assistant Adjutant-General.

O.R., Vol. XXXIX/2, pp. 620-21.

In regard to the French pistols mentioned in my earlier post, it would be interesting to know if these were LeMats or the Model 1854 Lefaucheux pinfire revolver rictured below --