Reloading EverythingSnyders JerkyRotoMetals2Repackbox
Load DataInline FabricationWidenersLee Precision
Titan Reloading MidSouth Shooters Supply
Page 1 of 2 12 LastLast
Results 1 to 20 of 26

Thread: primer / cartridge sealant ?

  1. #1
    Boolit Grand Master
    Join Date
    May 2007
    Posts
    5,302

    primer / cartridge sealant ?

    Just have a question: Does anybody use sealant around their primers / bullets? Any experiences or advice? Where would one get sealant? Any brand preferred over another? ---- I guess that is more than one question

    725

  2. #2
    Moderator


    Winger Ed.'s Avatar
    Join Date
    May 2007
    Location
    Just outside Gun Barrel City, Texas
    Posts
    9,706
    I never did. I never thought it was necessary.
    I've heard of people doing it for hunting ammo they'll take out in bad weather.

    I had a few .38Spec. that stowed away in my pocket one time and went through the washing machine.
    getting wet and being washed didn't hurt them.
    In school: We learn lessons, and are given tests.
    In life: We are given tests, and learn lessons.


    OK People. Enough of this idle chit-chat.
    This ain't your Grandma's sewing circle.
    EVERYONE!
    Back to your oars. The Captain wants to waterski.

  3. #3
    Boolit Grand Master


    stubshaft's Avatar
    Join Date
    Apr 2009
    Location
    Southernmost State of the Union
    Posts
    5,883
    When I first started hunting hogs in the rainforests of Hawaii I was concerned about the primer getting wet and misfiring. This was over 50 years ago and there was NO internet or information available on what to use or how to do it. So, I used fingernail polish. Just a dab on the primer pocket with a Q-tip and seat the primer.

    I honestly couldn't tell you if it worked or not, but I can say that I never had a misfire even though some of those cartridges were soaked for extended periods of time. It did look cool though!
    Old enough to know better, young enough to do it anyway!

    Men who don't understand women fall into two categories: bachelors and husbands!

  4. #4
    Boolit Master
    Join Date
    May 2022
    Location
    MPLS
    Posts
    1,486
    Brownells has primer sealant.. Maybe midway ?

  5. #5
    Boolit Buddy steveu's Avatar
    Join Date
    Jan 2019
    Posts
    148
    Clear fingernail polish.

  6. #6
    Boolit Grand Master

    Wayne Smith's Avatar
    Join Date
    Mar 2005
    Location
    Hampton Roads, Virginia
    Posts
    13,654
    I questioned this too, until I accidentally left two of my 44-40 BP loads in my pocket (on two separate occasions!) to go through the washer and dryer. All four fired without problem. I stopped thinking about sealing my loads.
    Wayne the Shrink

    There is no 'right' that requires me to work for you or you to work for me!

  7. #7
    Boolit Master
    contender1's Avatar
    Join Date
    Sep 2011
    Location
    Lake Lure NC
    Posts
    2,445
    When I found it necessary to seal my primers & bullets, I too used fingernail polish.

    When did I find it necessary? Well, I have a few little items known as "Powerheads" for hunting big fish underwater. Basically, scuba diving, and instead of a spear point that punctures the fish and you go for a ride until it expires, you use a powerhead of a caliber chosen for the job. I have .22 RF, .357 mag, .223 Rem., and had a 12 ga.
    For those unfamiliar with them, they are short attachments to a normal spear used in a speargun instead of a pointed tip. They screw on, and are a single-shot short barreled, cartridge firing device. Yes, you can reload on underwater. They are fired when you shoot the fish with the spear, and when it impacts the fish, it is driven backwards onto the firing pin, and fires.
    I've shot several big fish with mine and it's MUCH quicker (humane) than a spear with a drag buoy.
    Another name for one is "Bang Stick" but usually refers to the type you jab into a fish instead of using a speargun.

    I would use fingernail polish to seal my ammo, and never had a misfire. But, I'd also take any ammo that was unused after a dive, and relegate it to a "practice" day at my range. Only fresh ammo was taken underwater. Water pressure at the surface is much less than at say 60-100 ft. And unless underwater,, any moisture on ammo doesn't have the opportunity to be pressure pushed into a space.

    And once while diving,, I found an old crusty ammo can. Upon surfacing & opening it, I found some mil-spec .45 acp ammo inside & the can had been flooded long ago. The ammo had the military sealant on it. The can was rusty/crusty. But all the ammo fired just fine.

  8. #8
    Boolit Master


    Join Date
    Sep 2007
    Location
    East Texas
    Posts
    3,649
    A gun magazine long ago did a story about waterproofing ammunition.
    The author used lacquer fingernail polish to seal the primer after seating.
    To seal the bullet he thinned some tar that is used to seal the area where a branch has been cut off from a tree, similar to what is used in military ammunition.

    He did tests before and after by leaving the ammunition submerged overnight.
    The unsealed ammunition leaked and misfired but the sealed worked fine.

  9. #9
    Boolit Grand Master
    Join Date
    May 2007
    Posts
    5,302
    Thanks all. My concern is for ammo prepared for grizzly country. It will be subject to the environment and as such I wanted to make it as reliable as possible. I like the idea of clear fingernail polish for the primer and I was thinking about something like ALOX ? beeswax ? etc. for the bullet.

    Think I better check out Brownells and see what they recommend.

  10. #10
    Boolit Grand Master Outpost75's Avatar
    Join Date
    May 2013
    Location
    over the hill, out in the woods and far away
    Posts
    10,171
    The primer sealant used by the military is Glidden Purple Indicator. The bullet sealant is Black Lucas.
    The ENEMY is listening.
    HE wants to know what YOU know.
    Keep it to yourself.

  11. #11
    Boolit Grand Master
    Join Date
    May 2007
    Posts
    5,302
    Well, I took a leap and ordered the Brownell's sealant. It has mediocre reviews, so my expectations have been adjusted appropriately. I have used a dab of Ben's LL on the primer before without any problem and just pushed it clean with my finger. A tiny amount always drifted into the area between the primer and the case.


    With the seemingly increase of man vs griz confrontations going on, I just want to make the best I can make.

  12. #12
    Moderator


    Winger Ed.'s Avatar
    Join Date
    May 2007
    Location
    Just outside Gun Barrel City, Texas
    Posts
    9,706
    For bear hunting,,,,,, I'd use any and everything possible.
    Then carry the ammo in zip-lock bags too.

    I wouldn't leave even the slightest chance a bear might could 'harvest' me.
    In school: We learn lessons, and are given tests.
    In life: We are given tests, and learn lessons.


    OK People. Enough of this idle chit-chat.
    This ain't your Grandma's sewing circle.
    EVERYONE!
    Back to your oars. The Captain wants to waterski.

  13. #13
    Boolit Master
    Join Date
    Aug 2014
    Location
    Mansfield, PA
    Posts
    756
    I use fingernail polish in assorted colors I buy for a dime at yard sales. I never had any problem because I blocked water on the primer pocket. The military seals primer pockets so why not me? I dunno.

    Adam

  14. #14
    Boolit Buddy BRobertson's Avatar
    Join Date
    Jan 2012
    Location
    Alaska
    Posts
    225
    I have spent many years living , guiding , hunting, shooting, reloading, flying in Coastal community here in Alaska.
    We averaged close to 200 inches of rain per year.
    I have never used primer or bullet sealant!
    The only weather related issue that I witnessed is the green that grows on the cartridge case!

    I know for sure that green infected cartridges actually work on grizzly bears!!

    Of course having said all that, I will probably get my **** chewed on this next spring by
    a big , furry, hibernation - starved Ursus because of a dud .475 Linebaugh round!!

    Bob
    Last edited by BRobertson; 10-10-2023 at 09:24 PM.

  15. #15
    Boolit Master

    Join Date
    May 2006
    Location
    Ala.
    Posts
    1,206
    I bought some George and Roy's Custom Primer Sealant several years ago for hunting ammo. I paid around 10$ for it. When it came, it looked, smelled, and was in a bottle like,----clear fingernail polish.

  16. #16
    Boolit Master Rapier's Avatar
    Join Date
    Sep 2020
    Location
    NW Florida
    Posts
    1,483
    I have found in our humid environment that fresh loaded ammo with a decent crimp on the bullet is more important than sealant, but have not had my boat sink either. I have never had a real need for a sealant in our high humidity. However if your ammo is going to be exposed to submersion or a lot of rain, might be a good idea, plus use nickel plated brass and a decent bullet crimp.
    “There is a remedy for all things, save death.“
    Cervantes

    “Never give up, never quit.”
    Robert Rogers
    Roger’s Rangers

    There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves.
    Will Rogers

  17. #17
    Boolit Master
    Join Date
    May 2013
    Posts
    3,599
    ive got a bunch of old federal 90 grain gold dot 6.8 spc that has a blue sealant on the primer and bullet and often have wondered what exactly federal was using as sealant.

  18. #18
    Boolit Grand Master
    Join Date
    May 2007
    Posts
    5,302
    BRobertson ! Oh my, I hope not Ha, ha............ That Linebaugh round is a dandy. I knew John Linebaugh, briefly, before he died. Shot his revolver out next to his shop at a rock up on the hill behind his house. Nice fellow. Wish I could have gotten one of his revolvers. They were sweet.

    The cost of this sealant from Brownells is just a wee bit higher than the cost of shipping. Hope it will all be worth it.

  19. #19
    Boolit Master Baltimoreed's Avatar
    Join Date
    Dec 2012
    Location
    NC
    Posts
    1,599
    Pre gunsafe and pre ccw my wife washed my s/s amt Hardballer with 7 rds in the mag. Back story was that I had hid it in the washer as we were going out for a dinner or something. We came home and she ran the load. When I heard the washing machine the light bulb came on and I removed the gun, put the 45s on the hearth and stripped and dried the gun and mag. Next day I fired all 7 rds out back. No need to seal bullets or primers imo. I always sealed my percussion cap with a few drops of candle wax back when I deer hunted with a muzzle loader.

  20. #20
    Boolit Master
    Join Date
    Jan 2007
    Location
    Brushy Mountains of NC
    Posts
    1,360
    I was given some ammo that had been submerged in water, some 30-06, 30-30, and 38 spcl. I don't know how long it was under but the brass and bullets were still in good shape. Probably half of the powder charges were wet. It's worse conditions than most would see on a hunting trip but serious use or a high dollar hunt I don't think it would hurt.

    I have some George and Roy's sealant, does smell like finger nail polish.

Page 1 of 2 12 LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check