Winchester Small Pistol Primers #1-1/2
Quantity: 1000 Pieces
Primer Size: Small Pistol
Country of Origin: United States of America
Overview of Winchester Small Pistol Primers #1-1/2
Winchester Small Pistol Primers #1-1/2 are well-regarded for their consistency and reliability. These primers are designed for small pistol applications and can be used in a variety of calibers. When using these primers in reloading, you can expect clean ignition and reliable performance.
Comparison with Other Primers
- WLP vs. CCI 350:
Winchester Large Pistol Primers (WLP) are often compared to the CCI 350, which is known for being a “hot” pistol primer. The CCI350 produces a higher peak pressure than the WLP, which can affect load performance. John Linebaugh, a renowned firearm expert, recommends the WLP primers for use in large calibers like those found in the Linebaugh family of revolvers. He found that the CCI350 caused higher peak pressure in his testing, which could be detrimental to accuracy and performance. - Use in Heavy Calibers:
For calibers like the 500 S&W and Linebaugh calibers, Winchester primers have been found to perform well with relatively minor differences in velocity (25-35 fps lower than the CCI350). They are also preferred for their smoother and more consistent ignition.
Primer Selection and Performance
- AA1680 Powder Ignition:
When using powders like AA1680, which require compression for optimal performance in heavy calibers, some users have found that Winchester primers, like the WLP, may produce inconsistent ignition. This issue can be solved by compressing the powder when using it in calibers like the 500 S&W or Linebaugh. This adjustment can help mitigate issues with ignition inconsistency. - Primer Brissance Comparison:
The term “brissance” refers to the power or intensity of the primer’s ignition. A recent analysis comparing different primers based on their resulting average velocities (a common metric used by reloaders to evaluate primer performance) found the following trend for large and small rifle primers:- Large Rifle:
- F215 (highest brissance)
- WLRM
- CCI250
- Federal 9 ½ M
- WLR (standard large rifle)
- Federal 210
- CCI BR2/200
- Remington 9 ½
- Small Rifle:
- Federal 205
- Remington 7½
- Winchester WSRM
- Federal 200
- Winchester WSR
- CCI BR4/400
- Remington 6½
- Large Rifle:
Summary of Winchester Small Pistol Primers #1-1/2
Winchester Small Pistol Primers #1-1/2 are a reliable choice for reloaders seeking consistency and clean ignition in their small pistol loads. While they may not be as “hot” as some other primers (like the CCI 350), they offer a balanced performance and are especially useful for standard loads or when velocity consistency is a priority.
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