Puff Lon filler for 300BLK subs

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Anyone heard of this stuff?

What is Puff-Lon

Http://www.pufflon.com (click the left most link: Lubricating Ballistic Filler)

It's a case filler that helps eliminate powder shift and other problems in reduced loads. This comes in especially handy for subsonic loadings for 300 Blackout.


I think it’ll open up more powders that can be used or stabilize powders that aren’t a good choice due to velocity swings from powder case fill variation.

From their site:
Testing of Puff-Lon has shown:

  • An increase in the accuracy of any flat base
    bullets with smokeless or black powder
  • An increase in the longevity of a firearm
  • A decrease of the total maintenance of a firearm
  • Very large increases in accuracy on cartridges
    with large air spaces such as B. P. C. With
    smokeless powder and sub-sonic rifle cartridges
  • Makes duplex loads possible and practical
  • Greatly slow down throat erosion
  • More reliable of the cycling of gas operated
    automatics - especially with reduced loads
  • Ending first-round-pop in some suppressors
  • Works with manual or automated powder dispensers

“Puff-Lon filler is made with dry, light weight powdered synthetic lubricants and molybdenum disulfide impregnated into a light weight 100% natural cellulose (about 1/10th the weight of water, 1cc = about 15gr. of gunpowder in volume) that is able to withstand temperature in excess of 650 degrees Fahrenheit that is compressible, and resilient. Resiliency is very important to be sure that a compressed load is always maintained and the position of the powder will not change. The combination of dry lubricants slide together without sticking together to create a better coefficient of friction that any one lubricant alone. The lubricants, which are made of particles as small as .1 um and have the capability of traveling with the gases. The product has been granulated so it can be handled with the same ease as your gunpowder and has an infinite shelve life. The lubricants have been formulated to avoid excessive build-up in the barrel, while leaving a moisture resistant one layer coating that is smoother than any known dry surface. The only build-up of lubricant in the barrel are in the micro voids left by imperfect machining and polishing of the barrel or in the pits of old eroded and
corroded barrels. The lubricants fill in the low points and voids where the projectile never touch, this is where the copper and lead fouling would normally start the building process by shaving off the fouling and stuffing it into these cavities. We recommend cleaning the barrel as little as possible but always oil your barrel before stowing it away. This will give you less settling-in shots the next time you shoot.”


Due to this, I don’t think it’ll cause the granule deposits in lower receivers like you see after using some 300BLK subs like Gemtech
 
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