Table of Artillery Pieces Participating At Antietam, September 17, 1862

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TYPE OF PIECE	No. of USA Artillery	% of USA Artillery	No. of CSA Artillery	% of CSA Artillery	No. of TOTAL USA & CSA ARTILLERY	% of TOTAL USA & CSA ARTILLERY
(R) 10 pdr. Parrott Rifle	57	18.9%	43	17.8%	100	18.4%
(R) 10 pdr. Ordnance Rifle	81	26.9%	42	17.4%	123	22.6%
(R) 20 pdr. Parrott Rifle	22	7.3%	-	-	22	4.0%
(S) 6 pdr. Smoothbore Field Gun	-	-	41	17.0%	41	7.5%
(S) 12 pdr. "Napoleon" Light Field Gun	117	38.8%	14	5.8%	131	24.1%
(S) 12 pdr. Howitzer	3	0.9%	44	18.2%	47	8.6%
(S) 24 pdr. Howitzer	-	-	4	1.6%	4	0.7%
(S) 32 pdr. Howitzer	6	1.9%	-	-	6	1.1%
(R) 14 pdr. James Rifle	10	3.3%	-	-	10	1.8%
(R) 12 pdr. Whitworth Breechloading Rifle	-	-	2	0.8%	2	0.3%
(R) 12 pdr. Blakely Rifle	-	-	7	2.9%	7	1.2%
(S) 12 pdr. Naval Howitzer	5	1.6%	2	0.8%	7	1.2%
Unidentified Pieces	-	-	42	17.4%	42	7.7%
TOTALS:	301		241		542
RIFLES:	170	56.4%	* 94	* 39.0%	* 264	* 48.7%
SMOOTHBORES:	131	43.5%	* 105	* 43.5%*	* 236	* 43.5%

* Figures do not take into account unidentified pieces.