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Posted: 4/13/2001 5:32:50 PM EDT
Just bought one of these.  Tried to shoot some #7 target loads through it but it wouldn't cycle.  Does the gun just need to be broken in or is this gun only made for full power rounds?
Link Posted: 4/13/2001 5:46:44 PM EDT
Bet it has the short barrel? only heavy stuff. the longer tubes can handle the light stuff.
Link Posted: 4/13/2001 6:06:14 PM EDT
It has been my experience that the 1187P will shoot cheap birdshot field loads rather well and full power buckshot, but a lot of target loads and intermediate loads just do not give enough gas pressure to cycle.
Link Posted: 4/13/2001 6:47:44 PM EDT
3 1/4 dram 1 1/8 oz loads are minimum in a stock 1187. Most competitive shooters end up drilling the gas ports to get the gun to run on lighter loads (tactical slug/buckshot loads are typically as light as 3 dram 1 oz). My 1187SPST has .080" gas ports instead of the stock .072". It runs well on tactical loads as long as I keep it reasonably clean.
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