Best 300 blackout reloading dies

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This lets you make use of the majority of your used cartridges for less than the price after you invest in the right equipment. The top 300 blackout reloading dies on our list are Lee Precision .300 AAC blackout, Hornady Die Set 2 Custom Grade, and Lee Precision Factory Crimp Die. As you can guess their main advantage is to save money and achieve accuracy in shooting. Next, we will take a closer look at the 5 products.

List of the Best 300 Blackout Reloading Dies

So, what about 300 Blackout Reloading Dies by customer choice?

Best by customer choice:
SaleBestseller No. 1
Lee Precision 300 Aac Blackout Very Limited Production 3-Die
  • 300 AAC Blackout Very Limited Production 3-Die Set
  • Includes Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper and Instructions/Load Data
  • Made in USA
SaleBestseller No. 2
RCBS .300 AAC Blackout SB Taper Crimp Die Set
  • Made of the highest quality materials
  • Hunting reloading dies
  • Another quality Bushnell product
  • Features a small base sizing die and a new taper crimp seating die
  • Makes reloading easier for AR-style or semi-auto shooters
Bestseller No. 3
Hornady Custom Grade New Dimension 2-Die Set, 300 BLACKOUT (.308) (546349) - Caliber Specific Reloading Equipment for Handloaders with Full Length Sizer Die, Seating Die, Sure-Loc Rings, & Storage Box
  • Die Set for the Avid Reloader - hand crafted and polished for an unmatched finish, the Hornady Custom Grade New Dimension 2-Die Set for 300 Blackout (.308) (546349) is necessary for each cartridge that you reload to decap, de-prime, resize, and seat/crimp the bullet
  • Find the Custom Grade Dies You Need - these precision dies give the handloader more control over the loading process. Depending on the caliber of die set/alignment sleeve you are using, the Hornady Crimp/Seater Die will either "taper" or "roll" crimp your cases
  • Full Length Sizer Die - features a Zip Spindle, with a series of light threads cut on the spindle and spindle collet. This eliminates spindle slippage and makes tightening the spindle lock a breeze when making adjustments
  • Seating Die - the floating bullet alignment sleeve and stem improve bullet seating and accuracy by pre-aligning the bullet and case before seating. The Hornady bullet seating die also applies a crimp to secure the bullet in the case
  • Precise Machining for Accurate Reloading - Hornady reloading dies are designed for a true match to your chamber. Keep several appropriate Hornady die sets for each caliber size at your reloading bench. Includes a full length sizer die, seating die, plastic storage box, two Sure-Loc rings, elliptical expander, and headed decapping pins

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

The best 300 Blackout Reloading Dies by expert choice are below!

Best by our choice:
Product
Best
Lee Precision .300 AAC blackout
Runner up
Hornady Die Set 2 Custom Grade
Best budget
Lee Precision Factory Crimp Die
Image
Lee Precision 300 Aac Blackout Very Limited Production 3-Die
Hornady Custom Grade New Dimension 2-Die Set, 300 BLACKOUT (.308) (546349) - Caliber Specific Reloading Equipment for Handloaders with Full Length Sizer Die, Seating Die, Sure-Loc Rings, & Storage Box
LEE PRECISION Factory Crimp Die 300 AAC Blackout
Features
300 Includes Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper and Instructions
Die Set for the Avid Reloader. Full Length Sizer Die.
Crimps bullets in place more firmly with more uniform pressure. A Eliminates magnum powder ignition problems.
Product Dimensions
5 x 5 x 2 inches
‎7.5 x 4.8 x 1. inches
10.67 x 2.68 x 2.09 inches
Weight
0.9 Pounds
1.3 Pounds
0.25 Pounds
Customer Reviews
4.8 (1300+ reviews)
4.8 (1500+ reviews)
4.8 (250+ reviews)
Best
Product
Lee Precision .300 AAC blackout
Image
Lee Precision 300 Aac Blackout Very Limited Production 3-Die
Features
300 Includes Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper and Instructions
Product Dimensions
5 x 5 x 2 inches
Weight
0.9 Pounds
Customer Reviews
4.8 (1300+ reviews)
Runner up
Product
Hornady Die Set 2 Custom Grade
Image
Hornady Custom Grade New Dimension 2-Die Set, 300 BLACKOUT (.308) (546349) - Caliber Specific Reloading Equipment for Handloaders with Full Length Sizer Die, Seating Die, Sure-Loc Rings, & Storage Box
Features
Die Set for the Avid Reloader. Full Length Sizer Die.
Product Dimensions
‎7.5 x 4.8 x 1. inches
Weight
1.3 Pounds
Customer Reviews
4.8 (1500+ reviews)
Best budget
Product
Lee Precision Factory Crimp Die
Image
LEE PRECISION Factory Crimp Die 300 AAC Blackout
Features
Crimps bullets in place more firmly with more uniform pressure. A Eliminates magnum powder ignition problems.
Product Dimensions
10.67 x 2.68 x 2.09 inches
Weight
0.25 Pounds
Customer Reviews
4.8 (250+ reviews)

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

Best. If you are a serious shooter and prefer only quality equipment that will improve your shooting, then this Lee Precision .300 AAC blackout is for you.

Runner-up. If you are a real shooter and very passionate about your hobby, then this Hornady Die Set 2 Custom Grade is for you.

Best budget. This product would be a great solution if you are on a tight budget but still want a good product for your money, then this Lee Precision Factory Crimp Die is for you.

We will examine the products in more detail and find out what their pros and cons are.

Best 300 Blackout Reloading Dies

1. Lee Precision .300 AAC blackout

Sale
Lee Precision 300 Aac Blackout Very Limited Production 3-Die
  • 300 AAC Blackout Very Limited Production 3-Die Set
  • Includes Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper and Instructions/Load Data
  • Made in USA

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

The Lee Precision .300 AAC Blackout is a 3-die set and is limited in production. It’s top-quality reloading die sets that are sold at a reasonable price. The set comes with the factory crimp die as well as a full-length sizing die as well as a universal shell holder an easily-removable dead length bullet seating die as well as a powder dipper as well as the instructions manual.

Crimp die gives straight crimps that are segmented, which provides ammunition with greater precision and an increased threshold for handling rough. It’s suitable for hunting and combat. It is flexible and economical in the long run. The full-length sizing die will ensure that, if used properly, it provides the highest accuracy, reliability, chambering, and increased life for the case.

Finding the best shell holder to reload is like wearing the appropriate shoes for the event. It is essential to choose the best shell holder that is suitable for your caliber. You don’t want to explode from using the wrong shell holder. The dead-length bullet seating die is very handy.

If the neck of the case is to be too narrow, then the gun expands the neck of the case while sitting. Thus, if the bullet isn’t sitting at the proper depth, or is not placed correctly the reloading die must be turned back to meet the shell holder.

This allows clearance to the press to ensure a more efficient and more uniform depth of the bullet’s seating. A uniformly-sized bullet seat is better accuracy and more efficient ammunition performance. You’ll become the envy of all your acquaintances on the hunt after you have a deer for the first time. Particularly if you’re new to hunting.

Pros
  • More accuracy
  • Higher rough handling threshold
  • Best for combat and hunting
  • Improves case life
  • Durable
Cons
  • The universal shell holder in this kit is limiting

2. Hornady Die Set 2 Custom Grade

Hornady Custom Grade New Dimension 2-Die Set, 300 BLACKOUT (.308) (546349) - Caliber Specific Reloading Equipment for Handloaders with Full Length Sizer Die, Seating Die, Sure-Loc Rings, & Storage Box
  • Die Set for the Avid Reloader - hand crafted and polished for an unmatched finish, the Hornady Custom Grade New Dimension 2-Die Set for 300 Blackout (.308) (546349) is necessary for each cartridge that you reload to decap, de-prime, resize, and seat/crimp the bullet
  • Find the Custom Grade Dies You Need - these precision dies give the handloader more control over the loading process. Depending on the caliber of die set/alignment sleeve you are using, the Hornady Crimp/Seater Die will either "taper" or "roll" crimp your cases
  • Full Length Sizer Die - features a Zip Spindle, with a series of light threads cut on the spindle and spindle collet. This eliminates spindle slippage and makes tightening the spindle lock a breeze when making adjustments
  • Seating Die - the floating bullet alignment sleeve and stem improve bullet seating and accuracy by pre-aligning the bullet and case before seating. The Hornady bullet seating die also applies a crimp to secure the bullet in the case
  • Precise Machining for Accurate Reloading - Hornady reloading dies are designed for a true match to your chamber. Keep several appropriate Hornady die sets for each caliber size at your reloading bench. Includes a full length sizer die, seating die, plastic storage box, two Sure-Loc rings, elliptical expander, and headed decapping pins

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

Hornady Reloading Dies are among the top reloading dies in machine manufacturing. They are the best in machine craftsmanship. Hornady reloading die sets allows users to reload more precisely. This is made possible by more simple adjustments as well as better alignment, allowing the reloading die to provide smoother performance.

These reloading die sets are one of the most beautiful internal finishes available and give shooters the ability to reload for a long time. The high-quality reloading dies are constructed and will never break or wear out in the normal course of use.

This not only saves on the cost of regular purchases and costs it also eases the stress of having to think about the purchase that you will have to make after a couple of months of use.

The Hornady .300 AAC whisper is a full-length die, and one is supposed to use universal shell holder number 16 with it. It weighs just 1.3 pounds, the is not an extremely small base sizing die. The die comes equipped with a long stem and stem decapping die.

After the reloading die has been adjusted to the desired length, the extra stem is cut off with hacksaws and filed so that it isn’t necessary to keep the extra length. But, if left in its current form, the stem could scratch the skin or get on clothing if the person who is shooting abruptly reaches up above the press and nobody is satisfied with this experience.

Pros
  • Offers users more precise reloading
  • Finest internal finishing gives a lifetime of reloading
  • Never wear out or break from normal use
  • Easy to use
  • Durable
Cons
  • The stem of the zip spindle has sharp edges at the end

3. Lee Precision Factory Crimp Die

LEE PRECISION Factory Crimp Die 300 AAC Blackout
  • Product Type: Sporting Goods
  • Country Of Origin: United States
  • Item Package Weight: 0.25 Pounds
  • Item Package Dimensions: 10.668 L X 3.302 W X 3.302 H (Cm)

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

More than any other tool, the Lee Precision Factory Crimp Die crimps the bullet in place more firmly. It’s the perfect tool to use with shooting the .300 AAC Blackout as it has been tested on bullets that do not have a crimp groove but yet managed to shoot with greater accuracy.

Accuracy is achieved through a firmly crimped crimp because the pressure needs to rise to a high level before the bullet begins to move. Therefore, the greater start pressure will result in a more an even distribution of pressure and less variation in volatility.

The die is not recommended for cast bullets. It is equipped with cullet to press the bullet into a tighter fit as it is inserted through the die. So it is because a cast bullet has a lighter case it could be damaged during the process.

Additionally, the Lee Precision Factory Crimp Die is a roll crimp die and therefore does not use a taper crimp die as many would think. It works on all presses including the Hornady progressive presses, which use standard thread dies.

Users who have tried this product can confirm that it can produce excellent crimps on brass that has been reformed with no damaged necks for the case. Since brass does not have to be trimmed to the exact length, this product works with non-cannulated bullets without a significant accuracy difference.

Pros
  • Better accuracy
  • Easy to use
  • Produces good crimps on reformed brass
  • Works well with non-cannulated bullets
  • Sturdy and durable
  • Cons
Cons
  • Cannot be used for cast bullets

4. RCBS .300 AAC Blackout Taper Crimp Die Set

Sale
RCBS .300 AAC Blackout SB Taper Crimp Die Set
  • Made of the highest quality materials
  • Hunting reloading dies
  • Another quality Bushnell product
  • Features a small base sizing die and a new taper crimp seating die
  • Makes reloading easier for AR-style or semi-auto shooters

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

RCBS manufacturer has more than 60 years of experience in the production of precise reloading dies. Therefore, many customers are drawn to their products since they are a trusted brand that has never failed to make high-quality products.

The craftsmen of the company make reloading dies that can be used for a variety of calibers, compared to other manufacturers of reloading dies in the field. RCBS .300 AAC Blackout 22407’s interior is precisely drilled and adjusted to standards as high as the highest standards of gun mechanism.

This crimping die set is made of the highest quality and has some amazing features. It is ideal for reloading hunting equipment and comes with a brand-new taper crimp seating die along with a small base sizing die. The RCBS Taper Crimp Die Set is the preferred choice of progressive reloaders since it makes reloading AR-style or semi-auto shooters much easier.

Regular users of this .300 blackout set to testify to the quality assurances given by the manufacturer based on their positive experiences with the set. The full-length die used for bottleneck cases features vents that protect the cases from damage caused by air trapped.

Each die is properly hardened and then hand polished. The special finishing makes sure that the die can withstand many years of wear and tear caused by the process of sizing cases. For certain calibers, this seater die is equipped with an internal taper crimp that is suitable for them. For consumers looking for an affordable product of high quality, this is the best product out there. 

Pros
  • Best for reloading hunting gear
  • Makes reloading easier
  • Full-length dies have vents to let the air out.
  • Low headspace
  • Affordable
Cons
  • There are better quality dies in the market though

5. RCBS Full Length .300 AAC Blackout Die Set

Sale
RCBS Full Length .300 AAC Blackout Die Set
  • Made of the highest quality materials
  • Hunting reloading dies
  • Another quality Bushnell product
  • Made from case hardened steel
  • Precision-drilled and reamed to the same exacting standards as the finest gun mechanisms

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

This is yet another amazing work from RCBS. This .300 blackout die is great for shooters who require premium ammunition that can sound like their firearms. RCBS .300 blackout is extremely robust because it is constructed of case-hardened steel.

The shelf life also gets extended by the materials used. The die is extremely well-drilled and reamed to the exact high standards as the more precise gun mechanisms.

All RCBS reloading dies to have a roll-in or taper crimp seating die by the caliber that is used. This helps in the proper positioning of the shot. This die is great for casings with bottlenecks.

You will receive a full-length sizer die, with an expander decapping unit, as well as a Seater Die with Bullet Seater Plug. The damage to the casings is minimal as the die is equipped with vents that aid in the release of air trapped inside.

Furthermore, because of these vents, lubrication becomes effortless. There is no need for changing the length of the case body when doing full-length sizing since headspace is kept to minimal tolerances. This is among the top .300 blackout dies.

Pros
  • Premium quality dies
  • Lubrication is easy
  • Vents for air release
  • Value for money
  • Full-length sizer die included
Cons
  • A bit expensive

Things to consider while buying reloading dies

Price

The cost is certainly a major aspect when it comes to buying the top .300 blackout dies. Reloading dies can be quite costly and not all .300 blackout rifle owners can be able to afford them.

It is possible to find a loading die kit for your budget as well from the list above. Remember that cheap does not equivalent to poor quality.

The business may cut off the cost of production while maintaining the quality to offer the product for a reasonable price.

The caliber of .300 Blackout

Different calibers employ different types of reloading dies. You must determine what caliber you have on the .300 blackout rifle to pick the appropriate reloading dies.

Calibers can include 5.56 or .223 in the case of an AR-15-style rifle. If you’re using single-shot, bolt action rifles then you must discover their caliber. You can then choose to change the dies to match.

Make sure the caliber of your gun will work with reloading dies.

Accessories

Other accessories assist in the correct working and fitting of reloading dies. The most important accessory is the headspace, which guarantees the proper chamber headspace that is suitable for .300 blackout rounds.

Utilizing a headspace gauge, it is possible to determine if your .300 blackout cartridges are perfectly mounted over your rifle, or not.

If the rifle isn’t fitted properly, headspace adjustments need to be made before making use of it. If you choose to use a rifle that is not properly fitted firearm, it is risky and could severely harm your gun.

Decapping Pin Placement

In the course of long-term usage decapping pins that are used for long-term use die to loosen and begin being bent. The chance of damage is higher when the decapping pin is pushed into the base of the case rather than being aligned with the primer hole.

In this way, the case is damaged and is unable to be used. You need to ensure that you pay attention to the decapping pin to prevent it from bending. Be sure the pin is straight and fixed in the correct location.

The strictest rule is to be making sure to check the pin before each load. From the base the decapping pin is extended beyond the base, to help achieve straightness.

Depth Setting

The depth settings of a die can be wrong if the ammunition is a broken casing that has been crimped after being deformed. Each round is individually processed by a single press.

It is very easy to identify the error. However, this isn’t the case for progressive presses. You must remove rounds at each stage until you notice deformation, to pinpoint the point at which the issue occurred.

The cause could be related to the settings that were used in the previous stage.

What are the different kinds of Reloading Dies?

Bullet seating die

These seating die also plays a very crucial role while reloading. The makes sure that the bullet perfectly articulates with the casing for proper fitting.

In particular, it takes care of the bullet that is in the casing. The bullet is released through a tube into the bullet seating die. This is accomplished manually, by releasing the bullet inside the die from the upper open side.

Resizing/depriming die

This is the most popular die of the series. When the casing is utilized its size and shape are altered.

Thus, a resizing of the die as its name implies can help the casing get back to its original size to be used again. The cartridge that was used is inserted into the die, and the pressure returns it to its initial shape.

With the die, you will be able to quickly change the primer. This die can remove the primer used by using an iron pin in the middle. Later, it can be replaced with fresh primer.

Case trimming die

This die is best used using a progressive press. Because of continuous use, cases can grow. The original size of the case can be restored by the use of a case trimming tool.

Powder expanding die

The die is used in conjunction with the resizing tool. When you have finished resizing your case the die will be guiding the powder into the case.

When the cartridge is inserted into the die, this die expands its mouth cartridge to allow bullets to fit in.

With the aid of a die for expanding powder, the gun powder can be poured via hands or through a container. A powder hopper can be associated with progressive presses.

Crimping die

The die comes in the middle of the process of resizing the case and seating the bullet. By using this tool, the bullet can be held more tightly because it tightens into the body of the case around it.

In the case of pistol rounds, this type of die may be required. Two or three dies can be used to perform the job of pressing. The task of seating and crimping is performed with one die of the press that is progressive.

According to the depth set by the operator, the seating die will insert the bullet inside the cartridge case in such a way that it won’t pop out or be pushed to further depth.

Frequently Asked Questions

How safe is the handloading and reloading process?

It is extremely safe to do the reloading process. As modern powders for guns are not smokey in comparison to the dark powders from the past they have been classified as propellants, and not explosives.
When properly utilized, they only burn when ignited. So long as the proper precautions and usage is observed Reloading can be done safely.

How good is reloaded ammunition?

Reloaded ammunition usually performs superior to factory-loaded ammunition. If properly done, it can be tuned to fit any gun and specific types of shooting.
This leads to better efficiency and versatility since it can be used with a broad variety of guns.

My caliber lists a small base die set. Can I also use a full-length die or neck die set?

The small die sets are intended for ammunition that is used in lever-action, auto, and semi-auto rifles. This allows chambers that are loaded to remove effortlessly. In certain calibers, the small base die is used to set the case’s shoulder back by a thousandth less than a full-length die.
Therefore, the full-length die is not recommended for the ammo used in auto, semis, or lever action.

What is the difference between a roll crimp and a taper crimp?

The seater die rolls a very small part of the case mouth into the bullet canular with a roll crimp.
If the bullet does not have a canular, or the seater die is too low the seater roll die will try to create the crimp. In contrast, using the taper crimp die presses the bullet’s case. There is no indentation, and therefore there is no apparent crimp.

What is a small-base die?

This is a different kind of full-length sizing dies commonly used for reloading semi-automatic rifles.
The only difference between a small base die and a full-length die is that the former compresses the brass a little bit more.
This additional compression can help ensure that the case is properly extracted from semi-auto shooters.

Final Thoughts

The best reloading dies for a .300 blackout isn’t easy because there are many factors to be taken into consideration. The shooters must be aware of the dimensions of their rifle’s canister and the degree of precision they require.

When selecting a .300 blackout reloading die it is essential to keep in mind that not all dies are suitable for every type of gun. The user manuals must also be read after purchasing .300 blackout die sets because they offer a step-by-step breakdown of how to use the product.

If properly utilized, some .300 blackout die sets can last extremely long, often the life of the gun that is used. Thus, users need to choose dies, not based on the price tag, but their canister needs and quality of dies.

Author - Hans Wimberly
Hans-Wimberly - the owner of Gearsadviser
When I`m not spending time with my beautiful wife and great 3 children, you will find me reloading ammo, doing sport shooting, or talking with my friends about (oh, yeah!) guns.

Read more about me here.

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