This led to FTF, FTE and light primer strike issues. Many owners were cutting the mainspring to lower the factory trigger pull, but in doing so, it would compromise the Slide action and timing. I even found information on how to reduce the infamous 17Lb factory trigger pull down to 10-12 lbs without having to cut the mainspring. Another solution is to polish specific areas on the frame rails and the barrel feed ramp. Apparently FTF issues can be usually traced back to magazines that needed a little lip or follower tweaking. Most of the reported reliability issues dealt with FTF and FTE along with reports of light primer strikes, and broken firing pins.īut along with all the negative reports I also located a good number of positive reports and information posted by many owners that documented how easy it was/is to solve these issues. It appears that QC really suffered at the AMT factory which led to the issues that plagued these Pieces. I purchased the Piece after doing a lot of research and Even after reading all the horror stories regarding reliability issues. 45 last week and I brought it home yesterday. The AMT Backup line of handguns were being marketed by High Standard Manufacturing.I purchased a AMT Back Up. The pistol's marketing slogan was "the smallest, most powerful" backup weapon available (referring to the 45 ACP version). The AMT Backup was available in a wide range of calibers. SAO pistols were made with a manual safety, while DAO guns relied on their heavy trigger pull for safe handling. These pistols were manufactured by AMT and later Galena Industries (until November 2001). The original AMT Backup was produced with a single-action only (SAO) trigger mechanism, while the later "Small Frame" and "Large Frame" Backup used a double-action-only (DAO) mechanism. 380 ACP Backup pistols were made by AMT in El Monte, Covina California, and Irwindale, CA. OMC produced a short run of these pistols before the tooling was purchased by Arcadia Machine & Tool, who took over production. 380 ACP by OMC are known as the OMC Backup. It was first manufactured by the Ordnance Manufacturing Corporation (OMC) of El Monte, CA. The AMT Backup is a small semi-automatic pistol.
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