mellors Posted July 7, 2022 Report Share Posted July 7, 2022 Hi does any one know what the gaep stp finisher is for???. Quote Link to comment Share on other sites More sharing options...
Dave at kelton Posted July 7, 2022 Report Share Posted July 7, 2022 I can only say I use a Gaep finisher in ten bore that flattens the crimp and rounds the edges adding a slight taper to the finished shell. Using a semi auto I don’t want any jams. Quote Link to comment Share on other sites More sharing options...
Gas seal Posted July 7, 2022 Report Share Posted July 7, 2022 Hi Mellors l think the stp could be a roll turn over. There are a few different ones . The BN type to finish crimp cartridges will be numbered one to four , number one for fast powder number four for slow powders. I use them in different gauges for semi auto cartridges and they are good. If you look at the USA loading sites you should find some good information. If l got information when I bought them l will let you know. Quote Link to comment Share on other sites More sharing options...
Gas seal Posted July 8, 2022 Report Share Posted July 8, 2022 Hi mellors l found some information that may help. Quote Link to comment Share on other sites More sharing options...
enfieldspares Posted July 8, 2022 Report Share Posted July 8, 2022 (edited) If the shell height is right AND that of the powder, wads, shot inside it the basic Lee Load All produces a good quality finished crimp. This was done in mid June on a old....red metal base, secondhand Lee Load All I bought off eBay in May. Edited July 8, 2022 by enfieldspares Quote Link to comment Share on other sites More sharing options...
6.5x55SE Posted July 8, 2022 Report Share Posted July 8, 2022 1 hour ago, enfieldspares said: If the shell height is right AND that of the powder, wads, shot inside it the basic Lee Load All produces a good quality finished crimp. This was done in mid June on a old....red metal base, secondhand Lee Load All I bought off eBay in May. Totally agree 👍 but spin nano second with a Gaep spinner it will even transform your already good crimp. Quote Link to comment Share on other sites More sharing options...
Walker570 Posted July 8, 2022 Report Share Posted July 8, 2022 I use the gaep on my 410 loads and it tidies up the front end making loading much easier. Anyone shooting 410 knows that putting shells in can be a bit fiddly compared to bigger. The gaep I have I belive is for roll turn over but I also use it on crimps and just a light touch puts a nice finish on them.. I fin a light smear of WD40 helps. Quote Link to comment Share on other sites More sharing options...
mellors Posted July 9, 2022 Author Report Share Posted July 9, 2022 18 hours ago, Gas seal said: Hi mellors l found some information that may help. Hi. Thanks for the info. I have a lee loadall 2 and there not great with new cases so I'd rang fes and asked for one of these finishers. They were very helpful and supplied the stp one. Also i did a lot of research on them. As i load 20g steel there is a real possibility of pressure increase using these tools so a lot of care is needed not to over do the crimp depth. I have now done a few and as said just a light whiz round does the job. I have now reloaded some and as with once fired cases there's no need to run them again. The tool is well worth having for what they cost. Quote Link to comment Share on other sites More sharing options...
Gas seal Posted July 9, 2022 Report Share Posted July 9, 2022 Hi yes there can be pressure increase, the BN are numbered for this reason. I use a brass gaep in 28gauge for steel cartridges I use the cartridges in a semi auto. I use a mec loader and I get a good crimp and the gaep gives a good taper for a semi auto. Some semi auto guns have problems because of the cartridges crimp. My friend had a lee loader for years and when he got the height of his cartridges right he made a lot of good cartridges with it. Quote Link to comment Share on other sites More sharing options...
mellors Posted July 9, 2022 Author Report Share Posted July 9, 2022 2 minutes ago, Gas seal said: Hi yes there can be pressure increase, the BN are numbered for this reason. I use a brass gaep in 28gauge for steel cartridges I use the cartridges in a semi auto. I use a mec loader and I get a good crimp and the gaep gives a good taper for a semi auto. Some semi auto guns have problems because of the cartridges crimp. My friend had a lee loader for years and when he got the height of his cartridges right he made a lot of good cartridges with it. The lee is good for what it was made for just reloading. I've found the biggest problem with reloading steel is the wads. New 69 mm 20 gauge cases go ok with the lbc 24 then when fired and reloaded with the bp 24 they go really well. It seems once the crimp is set you loose that one mm difference in the wads height. Anyway they throw really good patterns and are perfect for pigeon that's all i need. Quote Link to comment Share on other sites More sharing options...
Gas seal Posted July 9, 2022 Report Share Posted July 9, 2022 Hi some of the older loading data stated for new or once fired cases. Some ballistic products loading data for steel cartridges are for rto and finish with gaep BN and give the tool number to use . Quote Link to comment Share on other sites More sharing options...
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