Changing to the stamped trigger alone reduced the cost of the 1911A1 by about 5%. The new trigger was adopted by all other pistol manufacturers by early 1943, except Colts who changed in April of 1944. This stamped trigger was fabricated by the Yawman Metal Products Co. Harry Howland of Ithaca designed a stamped trigger assembly that was approved by the Ordnance Department. Colt also supplied many of the small parts. These early Colt receivers (frames) can be quickly identified by the cut-outs under the stocks. In early 1942 & 1943 Ithaca did not have all the equipment necessary to manufacture the components so they received parts from other contractors that included 6,200 WWI receivers that Springfield had in storage. The total number of pistols produced by Ithaca was 335,466. Ithaca started production in December of 1942 and was the only established firearms company to produce 1911A1s other than Colt.
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