Large Pistol Primers

Western Reloading Supplies has a Large Pistol Primer available In Stock. CCI’s constant evaluation and testing techniques have resulted in highly evolved Large Pistol Primers.

They are pistol primers that are easier to ignite and sit, making them a good choice for reloading. These Pistol Primers are available in strips and singles and are excellent for single-stage or advanced reloading.

Casimir Lefaucheaux, a French gunsmith, produced the first huge pistol primers in 1828. huge pistol primers appeared almost simultaneously, and the huge rifle primer, invented in 1866, followed. The firing sequence begins with the primer.

Why is there a Shortage of Large Pistol Primers?

Some of the shortage is due to the specific—and ever-changing—technology of primers, but the long and short of it is that primers are specialized high-explosive components made by only a few businesses, both in the United States and elsewhere.

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Large Pistol Primers In Stock

Western Reloading Supplies sells huge Large Pistol Primers as well as anything else a hunter could need to make their own ammunition. There are various trustworthy manufacturers from which to choose.

To produce ammo, you’ll need a large pistol primer (which can be purchased), powder, brass, and high-quality bullets. Browse our primer trays, primer plugs and sleeves, and priming systems to complete your toolset. Western Reloading Supplies offers the best brands at affordable pricing.

Pistol Primer Parameters

There are a few basic parameters that you need to evaluate when buying primers:

  1. Primer size (large, small)
    Some cartridges (45acp, 44 special, 44 magnum,…) require a large pistol primer, whereas others (9mm, 38 special, 357 magnum,…) demand a small pistol primer. Depending on the cartridge you’re reloading, you’ll need to purchase the appropriate size primer.
  2. Primer type (Regular, Magnum, Multi-Purpose)
    The primer type determines the overall intensity of the primer flame. Non-magnum loads, such as 38 special, require only a tiny flame to ignite the powder charge. Magnum loads necessitate higher activation energy since there is more powder to burn. A primer can be designed to work with both ordinary and magnum loads in specific instances (see WLP below).
  3. Hardness
    The amount of force required to ignite the primer is referred to as its hardness. Some primers are softer (Federal), some are tougher (CCI), and some are somewhere in the middle (Winchester). Softer primers may be required if your pistol has a lightened or changed trigger/action.

Can You Substitute Large Rifle Primers For Large Pistol Primers?

This means that an LRP will not seat flush or below the face of the case head in a handgun cartridge, resulting in a potentially dangerous condition. However, the LPP will fit and seat in an LRP primer pocket, but it will seat too deeply. Just because something fits doesn’t imply it’ll work.

What Pistol Calibers Use Large Primers?

Large pistol primers are required for calibers such as 45acp, 44 magnums, and 44 special, while standard small primers are suitable for 9mm, 38 special, and 357 magnum.

Can you use Large Pistol Primers in 357 Magnum?

Some cartridges (45acp, 44 special, 44 magnum,…) require a large pistol primer, whereas others (9mm, 38 special, 357 magnum,…) demand a small pistol primer. Depending on the cartridge you’re reloading, you’ll need to purchase the appropriate size primer.

Winchester Large Pistol Primers

These non-corrosive, all-weather primers provide quick, consistent ignition in any shooting environment. Primers are thoroughly tested for consistency and sensitivity at temperatures and circumstances much beyond the normal operating range.

Winchester offers improved sensitivity for more positive shooting in all guns, as well as precisely controlled weights of primer combinations, consistency in size and quality, exact measurements and tolerances for anvil heights, and stability in temperature and humidity extremes.

Standard or Magnum pistol loads are labeled on the packaging. Before reloading, consult your reloading handbook.

Quantity Information:

  • Box of 1000: 10 Sleeves of 100
  • Box of 5000: 5 boxes of 1000

CCI Large Pistol Primers

CCI Large Pistol Primers 300 are tested and upgraded on a regular basis. As a result, CCI primers are more sensitive, easier to seat, and more compatible than ever with progressive and automatic loading equipment.

For the cleanest burn possible, they use current non-corrosive and non-mercuric initiator blends. Boxes of 1000 or 5000 count are available.

CCI Primers use a clean-burning initiator chemical, allowing them to be used for longer periods of time between cleanings of the primer pocket.

They’ve been designed to be more comfortable and to move through automated equipment more smoothly than prior ones. These primers give weapons that shoot off-center a more sensitive and effective contact area, allowing them to be more precise.

CCI’s frequent testing and assessment processes have resulted in highly developed priCCI 300 Primers. As a result, the CCI #300 Large Pistol Primers ignite and seat more easily than other priming options, making them an outstanding choice for reloading.

These primers are non-corrosive and non-mercuric, making them perfect for use outside. CCI’s #300 big Pistol Primers are designed for use with most handgun cartridges that require a big pistol primer.

Without a primer, a cartridge is nothing more than scrap metal. Richard Speer founded CCI to provide reloaders with a dependable source of component primers.

CCI’s first product was primers, which were produced years before Mini-MagTM, Stinger®, and our other well-known ammunition lines.

Because we constantly test and improve our primers, they are highly developed items. Today’s CCI primers are more sensitive, easier to seat, and compatible with progressive and automated loading equipment than prior versions. CCI primers have always contained non-corrosive and non-mercuric initiator mixes of the most recent generation.

Features and Benefits

  • 100-round box
  • For most handgun cartridges requiring large pistol primers
  • Clean burning
  • Reliable
  • Clean-burning initiator compound
  • Larger sweet spot for guns that produce off-center strikes
  • Easier to seat than ever before
  • Improved sensitivity for critical-need loading

Large Pistol Primers 1000 Count

CCI Primers are continuously tested and improved. As a result, today’s CCI primers are more sensitive, easier to seat and more compatible with progressive and automated loading equipment than ever before.
They utilize modern non-corrosive and non-mercuric initiator mixes for the cleanest burn possible. Available in 1000 or 5000 count boxes. Buy CCI Large Pistol Primers Online.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to –

Federal Large Pistol Primers

Federal Large Pistol Primers #150 are the same primers used in Federal’s high-quality ammunition. Exacting requirements are followed to ensure reliable ignition.

To obtain the full picture, our Outdoor Solutions Long Range team collaborated with a few industry specialists to run one of Federal’s top long-range match offerings out to 1,000 yards.

J.J Reich and Jacob Burns of Federal’s marketing and engineering departments, respectively, were among my colleagues, so I took advantage of the opportunity and gleaned as much information as I could from them throughout the course.

We were utilizing one of Federal’s Gold Medal 6.5 Creedmoor offerings, the 130-grain Berger AR OTM, for the tournament.

A long-range precision round naturally revolves around the projectile itself, therefore this should be the first place you examine throughout the selection process.

Bullets of this class have a boat tail, which is a rounded rear end designed to resist friction over long distances. #150 Federal Large Pistol Primers.

Winchester Large Pistol Primers 1000 Count

Winchester Large Pistol Primers 1000 Count are available at Western Reloading Supplies. Winchester Large Pistol Primers are ideal for all of your large pistol reloading needs.

The Winchester Large Pistol Primers are non-corrosive and weather resistant, so you can be confident that your primers will ignite regardless of the conditions.

Winchester Large Pistol Primers are regularly tested to guarantee that they maintain the same size and sensitivity, resulting in excellent performance from lot to lot.

Winchester Large Pistol Primers are tested for anvil height and stability in high temperatures to ensure that your primers will ignite regardless of the weather conditions.


Winchester Large Pistol Primers are tested and constantly checked for size, anvil height, in extreme temperature ranges, and for sensitivity. Winchester Large Pistol Primers are perfect for any weather environment and humidity level.

Specifications and Features:

  • Tested for consistent anvil height, size and overall quality
  • Not effected by temperature extremes or humidity level
  • Sensitivity tested in each batch

Why Do You Need This Primers?

  • Primers are a vital necessity whether you possess a large or little gun. Reloading guns is all about accuracy, which is what primers are for!
  • Its fundamental capacity is to touch off the charge powder inside the gun’s cartridge. Without primers, the slugs will be stuck in the barrel.
  • The primers have a few sensitive elements inside the metal cover. When the small gun’s firing pin strikes the preliminary cap, the prepared synthetic is squashed inside the metal iron block and cap. As a result, the primers transmit hot gas into the glimmer opening and cartridge case. This causes the temperatures and pushing factor inside it to rise, which eventually ignites the force powder.
  • These priming parts are normally barium nitrate, antimony sulfide, and lead styphnate. These synthetic substances cooperate to deliver warmth and gas.
  • Despite brands, all primers will unquestionably upgrade your shooting and reloading experience.

Important Product And Safety Information

  • You must be 18 or older to purchase winchester large pistol primers for standard or magnum. In ordering this product, you certify that you are of legal age and satisfy your jurisdiction’s legal requirements to purchase this product.
  • For safety reasons, we do not accept returns on ammunition. Always make sure you use the correct ammunition for your specific firearm.
  • The sale or shipment of this product to residents of certain jurisdictions is prohibited. Check your local laws before ordering this product. Check your local laws for any other regulations.
  • We recommend the use of protective eyewear whenever using or near the use of this item.
  • Item will only be shipped using Ground Shipping to the contiguous 48 states only.