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Lee Factory Crimp Dies

Lee Factory Crimp Dies

Lee Precision Factory Crimp Die cutaway viewEliminate the Factory Advantage

With a Lee Precision Factory Crimp Die, you can crimp your bullets in place the same as factory ammunition. Roll crimps and taper crimps simply do not hold the bullet as firmly as a factory crimp. A collet in the Lee Factory Crimp Die gently but firmly squeezes the very end of the case into the crimping groove exactly the same as on factory loaded ammunition. You can see how this works in the cutaway view of a Lee Factory Crimp Die shown at right.

In fact, the Lee Precision Factory Crimp Die is so powerful it will even crimp bullets in place that don't have a cannelure. Now you can seat your bullets to the best depth and the Lee Factory Crimper will form a cannelure in the bullet as it crimps the case. The Lee Precision Factory Crimp Die crimps the bullet in place more firmly than any other tool allowing you to load ammunition better able to withstand rough handling because the bullet is firmly crimped in place.

Better Accuracy

Have you read those articles about how good modern factory ammunition is? Those who load ammunition for profit know that the single most important factor for achieving accuracy is a uniform start pressure. Start pressure is that pressure needed to start the bullet moving. Until now, handloaders tried to obtain a uniform start pressure by seating the bullet so it would just touch or nearly touch the rifling. This is not always possible or desirable. A firm crimp solves this problem and improves accuracy because pressure must build to a higher level before the bullet begins to move. This higher start pressure insures a more uniform pressure curve and less velocity variation. A firm factory crimp also supplies the uniform start pressure needed for ammunition loaded for different guns. Now you can match and exceed the conventional factory accuracy with little effort using Lee Precision Factory Crimp Dies.

More Uniform Velocity

Lee Factory Crimp Die end view showing collet detailTests demonstrate bullets crimped with Lee Precision Factory Crimp Dies have significantly less velocity variation, especially when using less than optimum powders. This makes powder selection far less critical.

More Forgiving

It is impossible to buckle the case with a Lee Precision Factory Crimp die as can happen with regular roll crimp dies. Tests demonstrate that even bullets which have no cannelure will shoot more accurately if crimped in place with the Lee Precision Factory Crimp Die. And a firm crimp doesn't increase maximum pressure for most rifles. In some cases, it may even reduce maximum pressure by smoothing the pressure curve.

Features:

  • Overcomes the factory ammunition advantage
  • No crimp groove require even with jacketed bullets
  • More tolerant of rough handling, a must for hunting ammunition
  • Powder selection is not critical
  • Trim length is not critical
  • Improved accuracy

​Interchanging Lee Factory Crimp Dies

Lee Factory Crimp Dies are cartridge specific. However, some calibers share bullet diameter and trim length exactly. In such cases Lee Factory Crimp Dies can be interchanged.

Lee Factory Crimp dies generally use about .050" of the case to apply the crimp so any difference in the trim length between the cartridges comes off that amount. FS Reloading reccomends not interchanging calibers unless the bullet diamter and trim length match exactly.

Following are a few examples:

Caliber Lee Part# Bullet Dia Case Length
.22 Hornet 90829 .224 1.403
.221 Remington Fireball .224 1.400
.223 Remington 90817 .224 1.760
.223 Remington Ackley Improved .224 1.760
.22-250 Remington 90818 .224 1.912
.22-250 Remington Ackley Improved .224 1.912
.244 Remington 90832 .2435 2.233
6mm Remington .2435 2.233
.250 Savage 90834 .257 1.912
.250-3000 Savage .257 1.912
.257 Roberts 90835 .257 2.233
.257 Roberts Ackley Improved .257 2.233
7mm Remington Magnum 90821 .284 2.500
7x64mm Brenneke .285 2.520
.280 Remington 90841 .284 2.540
.280 Remington Ackley Improved .284 2.540
7mm Remington Express .284 2.540
7mm Remington Ultra Magnum 90869 .284 2.850
7mm Shooting Times Westerner .284 2.850
.30-30 Winchester 90822 .308 2.039
.30-30 Winchester Ackley Improved .308 2.039
.300 Holland & Holland Magnum 90970 .309 2.850
.300 Remington Ultra Magnum .308 2.850
.303 Savage 90823 .308 2.015
.308 Winchester .308 2.015
7.62x51mm NATO .308 2.015
.300 Remington SA Ultra Mag .308 2.015

Caution:

Cartridge specifications shown above are for illustrations purposes only. Refer to a competent reloading manual like Lee Precision Modern Reloading 2nd Edition or Hornady Handbook of Cartridge Reloading Tenth Edition before loading any cartridge. Refer to the SAAMI Cartridge and Chamber Drawings for actual cartridge standards.

NOTE:

Speer advises that Speer Bullets should not be used with certain Lee Dies. All other brands work great!

 

 


 

Description SKU MSRP Regular Special Qty Parts Man
Lee Precision Factory Crimp Die .32 Winchester Special 90595-SO3734 $27.00 $11.79
Lee Precision Factory Crimp Die 7mm Winchester Short Magnum 90595-SO3888 $27.00 $11.79
Lee Precision Factory Crimp Die .17 Hornet 90605 $15.98 $11.79
Lee Precision Factory Crimp Die .204 Ruger 90567 $15.98 $11.79
Lee Precision Factory Crimp Die .218 Bee 90830 $15.98 $11.79
Lee Precision Factory Crimp Die .22 Hornet 90829 $15.98 $11.79
Lee Precision Factory Crimp Die .220 Swift 90831 $15.98 $11.79
Lee Precision Bottle Neck Factory Crimp Die .22 TCM 90087 $27.00 $18.49
Lee Precision Factory Crimp Die .22-250 Remington 90818 $15.98 $11.79
Lee Precision Factory Crimp Die .222 Remington 90816 $15.98 $11.79
Lee Precision Factory Crimp Die .223 Remington 90817 $15.98 $11.79
Lee Precision Factory Crimp Die .243 Winchester Super Short Magnum 90187 $15.98 $11.79
Lee Precision Factory Crimp Die .243 Winchester 90819 $15.98 $11.79
Lee Precision Factory Crimp Die .250-3000 Savage 90834 $15.98 $11.79
Lee Precision Factory Crimp Die .25-06 Remington 90836 $15.98 $11.79
Lee Precision Factory Crimp Die .25-20 Winchester 90833 $15.98 $11.79
Lee Precision Factory Crimp Die .257 Roberts 90835 $15.98 $11.79
Lee Precision Factory Crimp Die .260 Remington 90977 $15.98 $11.79
Lee Precision Factory Crimp Die .270 Winchester 90820 $15.98 $11.79
Lee Precision Factory Crimp Die .270 Winchester Short Magnum 90962 $15.98 $11.79
Lee Precision Factory Crimp Die .300 Winchester Short Magnum 90331 $15.98 $11.79
Lee Precision Factory Crimp Die .300 Weatherby Magnum 90845 $15.98 $11.79
Lee Precision Factory Crimp Die .30-30 Winchester 90822 $15.98 $11.79
Lee Precision Factory Crimp Die .300 Remington Ultra Magnum 90970 $15.98 $11.79
Lee Precision Factory Crimp Die .300 Winchester Magnum 90825 $15.98 $11.79
Lee Precision Factory Crimp Die .300 Savage 90844 $15.98 $11.79
Lee Precision Factory Crimp Die .30 M1 Carbine 90421 $15.98 $11.79
Lee Precision Factory Crimp Die .30-40 Krag 90843 $15.98 $11.79
Lee Precision Factory Crimp Die .300 AAC Blackout 90590 $15.98 $11.79
Lee Precision Factory Crimp Die .300 Remington Short Action Ultra Magnum 9SO2072 $27.00 $11.79
Lee Precision Factory Crimp Die .303 British 90826 $15.98 $11.79
Lee Precision Factory Crimp Die .30-06 Springfield 90824 $15.98 $11.79
Lee Precision Factory Crimp Die .308 Winchester 90823 $15.98 $11.79
Lee Precision Factory Crimp Die .32-20 Winchester 90851 $15.98 $11.79
Lee Precision Factory Crimp Die .338 Winchester Magnum 90849 $15.98 $11.79
Lee Precision Large Series Factory Crimp Die .338 Lapua 90745 $50.00 $34.99
Lee Precision Factory Crimp Die .348 Winchester 90857 $15.98 $11.79
Lee Precision Factory Crimp Die .35 Remington 90828 $15.98 $11.79
Lee Precision Factory Crimp Die 356-358 90904 $15.98 $11.79
Lee Precision Factory Crimp Die .375 Holland & Holland 90850 $15.98 $11.79
Lee Precision Factory Crimp Die .375 Winchester 90905 $15.98 $11.79
Lee Precision Factory Crimp Die .375 Ruger 90609 $15.98 $11.79
Lee Precision Factory Crimp Die .38-40 Winchester 90852 $15.98 $11.79
Lee Precision Factory Crimp Die .38-55 Winchester 90853 $15.98 $11.79
Lee Precision Factory Crimp Die .416 Remington Magnum 90906 $15.98 $11.79
Lee Precision Factory Crimp Die .444 Marlin 90855 $15.98 $11.79
Lee Precision Factory Crimp Die .44-40 Winchester 90854 $15.98 $11.79
Lee Precision Factory Crimp Die .45-70 Government 90856 $15.98 $11.79
Lee Precision Factory Crimp Die .458 Winchester Magnum 90969 $15.98 $11.79
Lee Precision Factory Crimp Die .458 SOCOM 90815 $15.98 $11.79
Lee Precision Large Series Factory Crimp Die .50 BMG 90953 $50.00 $34.99
Lee Precision Factory Crimp Die 6mm Remington 90832 $15.98 $11.79
Lee Precision Factory Crimp Die 6.5mm Grendel 90596 $15.98 $11.79
Lee Precision Factory Crimp Die 6.5mm Creedmoor 90704 $15.98 $11.79
Lee Precision Factory Crimp Die 6.5x55mm Swedish 90837 $15.98 $11.79
Lee Precision Factory Crimp Die 6.8mm Remington Special Purpose Cartridge 90735 $15.98 $11.79
Lee Precision Factory Crimp Die 7-30 Waters 90838 $15.98 $11.79
Lee Precision Factory Crimp Die .280 Remington 90841 $15.98 $11.79
Lee Precision Factory Crimp Die 7mm Magnum 90821 $15.98 $11.79
Lee Precision Factory Crimp Die 7mm-08 Remington 90840 $15.98 $11.79
Lee Precision Factory Crimp Die 7mm Shooting Times Westerner 90869 $15.98 $11.79
Lee Precision Factory Crimp Die 7.62x54mmR 90842 $15.98 $11.79
Lee Precision Factory Crimp Die 7.5x55mm Swiss 90184 $15.98 $11.79
Lee Precision Factory Crimp Die 7x57mm 90839 $15.98 $11.79
Lee Precision Factory Crimp Die 7.62x39mm 90827 $15.98 $11.79
Lee Precision Factory Crimp Die 7.65x53mm Argentine 90846 $15.98 $11.79
Lee Precision Factory Crimp Die 7.7x58mm Arisaka 90847 $15.98 $11.79
Lee Precision Factory Crimp Die 8X57mm 90848 $15.98 $11.79
Lee Precision Factory Crimp Die 9.3x62mm 90610 $15.98 $11.79

Lee Precision Bottle Neck Factory Crimp Die .22 TCM

Lee Precision Bottle Neck Factory Crimp Die .22 TCM

 Lee .22 TCM Bottle Neck Factory Crimp Dies crimps the bullet firmly in place for the bottlenec..

$18.49

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Lee Precision Factory Crimp Die .17 Hornet

Lee Precision Factory Crimp Die .17 Hornet

The Lee Precision .17 Hornet Factory Crimp Die with standard 7/8" by 14 threads is packaged in a cus..

$11.79

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Lee Precision Factory Crimp Die .204 Ruger

Lee Precision Factory Crimp Die .204 Ruger

The Lee Precision .204 Ruger Factory Crimp Die with standard 7/8" by 14 threads is packaged in ..

$11.79

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Lee Precision Factory Crimp Die .218 Bee

Lee Precision Factory Crimp Die .218 Bee

The Lee Precision ..218 BEE Factory Crimp Die with standard 7/8" by 14 trheads  is packaged in a cus..

$11.79

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Lee Precision Factory Crimp Die .22 Hornet

Lee Precision Factory Crimp Die .22 Hornet

The Lee Precision .22 Hornet Factory Crimp Die with standard 7/8" by 14 threads is packaged in a cus..

$11.79

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Lee Precision Factory Crimp Die .22-250 Remington

Lee Precision Factory Crimp Die .22-250 Remington

The Lee Precision .22-250 Remington Factory Crimp Die with standard 7/8" by 14 trheads  is packaged ..

$11.79

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Lee Precision Factory Crimp Die .220 Swift

Lee Precision Factory Crimp Die .220 Swift

The Lee Precision .220 Swift Factory Crimp Die with standard 7/8" by 14 trheads  is packaged in a cu..

$11.79

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Lee Precision Factory Crimp Die .222 Remington

Lee Precision Factory Crimp Die .222 Remington

The Lee Precision .222 Remington Factory Crimp Die with standard 7/8" by 14 trheads  is packaged in ..

$11.79

Read more...

Lee Precision Factory Crimp Die .223 Remington

Lee Precision Factory Crimp Die .223 Remington

The Lee Precision .223 Remington Factory Crimp Die with standard 7/8" by 14 trheads  is packaged in ..

$11.79

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Lee Precision Factory Crimp Die .243 Winchester

Lee Precision Factory Crimp Die .243 Winchester

The Lee Precision .243 Winchester Factory Crimp Die with standard 7/8" by 14 trheads  is packaged in..

$11.79

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Lee Precision Factory Crimp Die .243 Winchester Super Short Magnum

Lee Precision Factory Crimp Die .243 Winchester Super Short Magnum

The Lee Precision .243 Winchester Super Short Magnum Factory Crimp Die with standard 7/8" by 14 trhe..

$11.79

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Lee Precision Factory Crimp Die .25-06 Remington

Lee Precision Factory Crimp Die .25-06 Remington

The Lee Precision .25-06 Remington Factory Crimp Die with standard 7/8" by 14 trheads  is packaged i..

$11.79

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Lee Precision Factory Crimp Die .25-20 Winchester

Lee Precision Factory Crimp Die .25-20 Winchester

The Lee Precision .25-20 Winchester Factory Crimp Die with standard 7/8" by 14 trheads  is packaged ..

$11.79

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Lee Precision Factory Crimp Die .250-3000 Savage

Lee Precision Factory Crimp Die .250-3000 Savage

The Lee Precision .250-3000 Savage Factory Crimp Die with standard 7/8" by 14 trheads  is packaged i..

$11.79

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Lee Precision Factory Crimp Die .257 Roberts

Lee Precision Factory Crimp Die .257 Roberts

The Lee Precision .257 Roberts Factory Crimp Die with standard 7/8" by 14 trheads  is packaged in a ..

$11.79

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