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Nov 7, 2017 · Headspace is the distance from the base of the cartridge case to the point on the cartridge case that prevents the cartridge from moving any farther forward in the chamber. To put this into real-world, appreciable terms, I’ll give some examples. Rimmed .45-70 Government cartridges. A rimmed cartridge, whether straight-walled, tapered, or ...
- 223 Remington
However, Hodgdon’s new CFE223, optimized for the .223...
- 375 H&H
An eminently flexible cartridge, the .375 H&H Magnum is...
- 223 Remington
Headspace (firearms) A pistol cartridge which headspaces off the case mouth, e.g. .45 ACP. In firearms, headspace is the distance measured from a closed chamber's breech face to the chamber feature that limits the insertion depth of a cartridge placed in it. Used as a verb by firearms designers, headspacing refers to the act of stopping deeper ...
Dec 6, 2023 · Most modern rifle cartridges, such as .223 Remington or .30-06, achieve proper headspace because of the cartridge’s bottleneck. Some magnum rifle cartridges, termed “belted” magnums, headspace off both the bottleneck and a flared belt at the rear of the case head that matches a corresponding machined recess in the chamber wall.
Mar 26, 2021 · A practical, descriptive definition of headspace is how well the cartridge fits the gun’s chamber. Obviously, handloads must have the correct and reliable energetic components (primers and propellant). The cartridge case must have a tight primer pocket, proper size flash hole, adequate neck tension, and no defects that might cause it to ...
- Lane Pearce
Dec 5, 2017 · Headspace is the distance measured from the bolt face to the portion of the chamber restricting the cartridge from further forward movement. For most modern rimless centerfire rifle cartridges this datum point is found on the shoulder of the chamber. For most rimmed rifle cartridges headspace is set off of the forward portion of the case rim ...
Feb 13, 2020 · Headspace is the distance between the back of a cartridge and whichever part of it controls the position in the chamber. The concept of headspace came with the advent of fixed cartridges. At first, the concept was simple: cartridges were rimmed and headspaced on that rim. Excessive headspace meant the cartridge would expand unevenly and ...
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Aug 22, 2024 · Headspace is measured with a set of two headspace gauges: a “Go” gauge, and a “No-Go” gauge. Headspace gauges resemble the cartridges for the chambers they are designed to headspace, and are typically made of heat-treated tool steel. Both a “Go” and a “No-Go” gauge are required for a gunsmith to headspace a firearm properly.
