San Joaquin Shootist Posted September 1, 2021 Share Posted September 1, 2021 Howdy Pards, If you have ever made 12 gauge dummy practice rounds for your shotgun what did you use in the primer hole? I'm thinking something rubber would work, but what comes in the right diameter? Muchas gracias, SJS Link to comment Share on other sites More sharing options...
Clay Thornton Posted September 1, 2021 Share Posted September 1, 2021 Jam a pencil eraser from an old school wooden pencil in and trim. Similer size. Link to comment Share on other sites More sharing options...
Singin' Sue 71615 Posted September 1, 2021 Share Posted September 1, 2021 Filled ours with silicone. Link to comment Share on other sites More sharing options...
Not Dead Ed Posted September 1, 2021 Share Posted September 1, 2021 I did a bunch with silicone, but big Pentel erasers (the kind that you find in the school supplies) fit a 209 primer hole exactly. Just shove em in, and cut flush with an Xacto knife. Easy and fast. Link to comment Share on other sites More sharing options...
Abilene, SASS # 27489 Posted September 1, 2021 Share Posted September 1, 2021 After squeezing a blob of silicone into the primer pocket, use the edge of a business card or similar to skim off the part that protrudes. Then it is flat and ready to go when it dries, no need to slice it off later. Link to comment Share on other sites More sharing options...
Crazy Gun Barney, SASS #2428 Posted September 1, 2021 Share Posted September 1, 2021 48 minutes ago, Clay Thornton said: Jam a pencil eraser from an old school wooden pencil in and trim Clay has it right, that is how I made mine. Link to comment Share on other sites More sharing options...
Buckshot Bear Posted September 1, 2021 Share Posted September 1, 2021 In use does silicone offer much resistance to the firing pins? Link to comment Share on other sites More sharing options...
Sedalia Dave Posted September 1, 2021 Share Posted September 1, 2021 6 minutes ago, Buckshot Bear said: In use does silicone offer much resistance to the firing pins? Not really Link to comment Share on other sites More sharing options...
Abilene, SASS # 27489 Posted September 1, 2021 Share Posted September 1, 2021 8 minutes ago, Buckshot Bear said: In use does silicone offer much resistance to the firing pins? 1 minute ago, Sedalia Dave said: Not really I think it does. Link to comment Share on other sites More sharing options...
Sedalia Dave Posted September 1, 2021 Share Posted September 1, 2021 Burna-N Rubber o-ring material of at least 70. Will take thousands of hits. 6mm diameter for shotshells. Seat a wad into the hull and them push the o-ring into the primer pocket till it hits the wad. 5 mm diameter for small pistol primers. Drill out the primer pocket with a 3/16" drill bit. The small lip left will hold the material in place. 6 mm for large pistol primers. Drill out the primer pocket with a 7/32" drill bit. The small lip left will hold the material in place. After the material is in place trim flush with a razor blade. For rifle and pistol dummy rounds I fill the case with silicone to the base of the bullet and let dry. Then seat and crimp the bullet. Prevents the bullet from telescoping into the case with repeated use. Link to comment Share on other sites More sharing options...
John Kloehr Posted September 1, 2021 Share Posted September 1, 2021 Neither silicone nor a pencil eraser offer the same resistance as the brass primer... Which makes me wonder if leaving a spent primer in the shell might be just as good a solution. Is the purpose to slow the firing pin down at a controlled rate or is the purpose to prevent the pin from hitting its travel limit too hard? But absent this wondering, I like the pencil eraser more than the silicone. The eraser is harder. Link to comment Share on other sites More sharing options...
Sedalia Dave Posted September 1, 2021 Share Posted September 1, 2021 1 minute ago, John Kloehr said: Neither silicone nor a pencil eraser offer the same resistance as the brass primer... Which makes me wonder if leaving a spent primer in the shell might be just as good a solution. Is the purpose to slow the firing pin down at a controlled rate or is the purpose to prevent the pin from hitting its travel limit too hard? But absent this wondering, I like the pencil eraser more than the silicone. The eraser is harder. After a couple of hits the primer will deform to the point it really isn't doing anything. Link to comment Share on other sites More sharing options...
Buckshot Bear Posted September 1, 2021 Share Posted September 1, 2021 I just can't see anything soft like rubber/silicone offering any resistance. Why not 'spring' for a couple of spring loaded 12g practice snap cap rounds? Link to comment Share on other sites More sharing options...
Caladisi kid Posted September 1, 2021 Share Posted September 1, 2021 My 2 cents: I use old car tire rubber, taken from the side of the road , and cut it to fit the primer pocket. Ex: .223 case mouth size, etc. hard enough to last long. Good luck Link to comment Share on other sites More sharing options...
Widder, SASS #59054 Posted September 2, 2021 Share Posted September 2, 2021 Gentleman, I used a set of Ruger Vaqueros and spent primers left in the pockets and dry fired those Rugers over 1.5 Million cycles each without any damage to the firing pins. I should also state that a good many of those dry fire cycles were with NOTHING in the pistols (empty chambers). That's how it is with Ruger's. ..........Widder Link to comment Share on other sites More sharing options...
Buckshot Bear Posted September 2, 2021 Share Posted September 2, 2021 Can someone explain what bad things happen to a shotgun dry firing it? Link to comment Share on other sites More sharing options...
Widder, SASS #59054 Posted September 2, 2021 Share Posted September 2, 2021 Buckshot, I've dry fired by IAC 97's a few thousand times, more like 50,000 - 60,000 times. I used only spent hulls with the spent primers left in the primer pocket. I used the same shotgun(s) as a main match firearm with no failures to fire or any visible damage to the FP. I can't testify for other SG's, especially a SxS. ..........Widder Link to comment Share on other sites More sharing options...
Sedalia Dave Posted September 2, 2021 Share Posted September 2, 2021 4 hours ago, Buckshot Bear said: I just can't see anything soft like rubber/silicone offering any resistance. Why not 'spring' for a couple of spring loaded 12g practice snap cap rounds? Burna-N 70 rubber is pretty hard. Link to comment Share on other sites More sharing options...
Chick Bowdrie sass 111302 Posted September 2, 2021 Share Posted September 2, 2021 What is the difference between making your own dummy rounds and buying dummy rounds? Link to comment Share on other sites More sharing options...
Tyrel Cody Posted September 2, 2021 Share Posted September 2, 2021 @Pit Bull Tex I think it was you that made me some dummy shotshells, and you use an O-Ring? Link to comment Share on other sites More sharing options...
Hells Comin Posted September 2, 2021 Share Posted September 2, 2021 I agree with Widder - after 10's of thousands of rounds with no modifications - I haven't had any issues! Of course I shoot a 97 not one of those sissy guns. Hells Comin Link to comment Share on other sites More sharing options...
San Joaquin Shootist Posted September 2, 2021 Author Share Posted September 2, 2021 Thanks Pards, I made a few 12 gauge practice dummies using Pentel mechanical pencil eraser refills. Cheap, easy to find and it works. I will order some 6mm O ring and try it out on my next batch. Pentel erasers link--> https://www.staples.com/Pentel-Clic-Eraser-Refills-2-Pack/product_270793?ci_sku=270793&KPID=270793&cid=PS:GS:SBD:PLA:OS&gclid=CjwKCAjwybyJBhBwEiwAvz4G7xYs-e_Y4TCt78fN71TP2-gxSg2wFLWmyVeww0NgcHIumh7mLeNbXBoC8vsQAvD_BwE Pit Bull Tex made me a few a while back and I think he uses the O ring. They lasted a long time. I only use dummy rounds on 97 loading practice and 73 one shot reloads. On the 73 I use store bought aluminum dummies and they work good. In the 73 and Rugers I just dry fire them empty for regular dry fire.. Your mileage may vary, SJS Link to comment Share on other sites More sharing options...
Sedalia Dave Posted September 2, 2021 Share Posted September 2, 2021 1 hour ago, Tyrel Cody said: @Pit Bull Tex I think it was you that made me some dummy shotshells, and you use an O-Ring? I learned the Oring thing from him. If anybody needs SG dummy rounds let me know. I make them with the Hot pink federal TopGun hulls. makes them stand out from most other SG ammo. When finished they are a tiny bit little heavier than an empty AA hull. So practicing shucking them is a good representation of what it takes to shuck an empty AA or STS hull. I stuff mine with an empty plastic grocery bag so that they will hold their shape. Link to comment Share on other sites More sharing options...
Buckshot Bear Posted September 2, 2021 Share Posted September 2, 2021 1 minute ago, Sedalia Dave said: I stuff mine with an empty plastic grocery bag so that they will hold their shape. That's a clever idea! Link to comment Share on other sites More sharing options...
Constable Nelson #11784 Posted September 2, 2021 Share Posted September 2, 2021 7 hours ago, Buckshot Bear said: I just can't see anything soft like rubber/silicone offering any resistance. Why not 'spring' for a couple of spring loaded 12g practice snap cap rounds? They are quite pricey and I would want to have at least 8 dummy shells for practice... (With a SxS) They also don't feel right!!! Link to comment Share on other sites More sharing options...
Eyesa Horg Posted September 2, 2021 Share Posted September 2, 2021 I think @Grizz #7140 did a video. He used hot glue gun sticks. Chuck 'em in a drill press and push the hull against it and trim. Works good but does dent after a bit. Link to comment Share on other sites More sharing options...
Attica Jack #23953 Posted September 2, 2021 Share Posted September 2, 2021 I use a hot glue gun. If the primers start to look bad, pull them and put in more glue. Link to comment Share on other sites More sharing options...
Widder, SASS #59054 Posted September 2, 2021 Share Posted September 2, 2021 If anyone's is afraid of damaging a FP in the 97 from Dry Firing too much, you can always remove the FP from the bolt and designate that particular SG just for Dry Fire practice. ..........Widder Link to comment Share on other sites More sharing options...
John Ray Davis Posted September 2, 2021 Share Posted September 2, 2021 If I can't find large primers, can I use pencil erasers in .45LC cartridges? Link to comment Share on other sites More sharing options...
Not Dead Ed Posted September 2, 2021 Share Posted September 2, 2021 9 minutes ago, John Ray Davis said: If I can't find large primers, can I use pencil erasers in .45LC cartridges? for dry fire practice? , right? Just checked, large pencil erasers are just a bit too big…. And LPP are bigger than the small mechanical pencil erasers that work for SPP’s Link to comment Share on other sites More sharing options...
meesterpaul Posted September 2, 2021 Share Posted September 2, 2021 14 hours ago, San Joaquin Shootist said: Thanks Pards, I made a few 12 gauge practice dummies using Pentel mechanical pencil eraser refills. Cheap, easy to find and it works. I will order some 6mm O ring and try it out on my next batch. Pentel erasers link--> https://www.staples.com/Pentel-Clic-Eraser-Refills-2-Pack/product_270793?ci_sku=270793&KPID=270793&cid=PS:GS:SBD:PLA:OS&gclid=CjwKCAjwybyJBhBwEiwAvz4G7xYs-e_Y4TCt78fN71TP2-gxSg2wFLWmyVeww0NgcHIumh7mLeNbXBoC8vsQAvD_BwE SJS Those white Pentel erasers look good. I'll go take a close look at them. Link to comment Share on other sites More sharing options...
Mustang Gregg Posted September 3, 2021 Share Posted September 3, 2021 I use "timed out" 890B1/2 Pro Seal. It's easy to put in and harder than RTV. Mustang Link to comment Share on other sites More sharing options...
Dusty Devil Dale Posted September 3, 2021 Share Posted September 3, 2021 On 9/1/2021 at 3:29 PM, John Kloehr said: Neither silicone nor a pencil eraser offer the same resistance as the brass primer... Which makes me wonder if leaving a spent primer in the shell might be just as good a solution. Is the purpose to slow the firing pin down at a controlled rate or is the purpose to prevent the pin from hitting its travel limit too hard? But absent this wondering, I like the pencil eraser more than the silicone. The eraser is harder. If using a side by side double, the spent firing pins will soon be indented enough to put drag on the firing pins and prevent the gun opening easily Link to comment Share on other sites More sharing options...
Pit Bull Tex Posted September 11, 2021 Share Posted September 11, 2021 The o-ring material works great. Link to comment Share on other sites More sharing options...
John Boy Posted September 11, 2021 Share Posted September 11, 2021 If one waits long enough the correct primer pocket will be posted …Hot Glue Link to comment Share on other sites More sharing options...
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