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- Conventional rifling and polygonal rifling have key differences12:
- Conventional rifling is formed by cutting or exerting pressure within the barrel using tools like buttons or broaching bits.
- Polygonal rifling is formed by hammering the barrel from the outside, creating swells or mounds in the bore.
- The term "polygonal" refers to unconventional rifling with many sides and angles.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.In traditional rifling, ‘tools’ such as buttons or broaching bits are used to either press or cut grooves in the bore giving the barrel a defined rate of twist. In polygonal-rifled barrels, the barrel (and hence the bore) is cold hammer forged (or otherwise twisted) creating swells or mounds, also giving the bore a defined rate of twist.www.thefirearmblog.com/blog/2016/06/10/the-mor…All conventional rifling is formed by cutting or exerting pressure within the barrel, unlike polygonal rifling which is formed by hammering the barrel from the outside. Advertisement The word "polygonal" refers to having many sides and angles and is used to describe bores with unconventional rifling.bearingarms.com/ccantrell/2010/06/08/barrels-and … - People also ask
Conventional rifling uses a tool to remove material from inside the barrel. This leaves sharp transition between raised lands and cut grooves. Polygonal rifling does not cut grooves. Conventional lands and grooves are replaced by “hills and valleys”. Polygonal barrels have gently rounded polygonal pattern, usually … See more
Polygonal rifling is not a new concept. Some black Powder era Barrels were rifled in this manner. However, when double based powders … See more
The advantage of hammer forging is that the interior finish is very good. Also the hammering work hardens the bore surface. A hammer forged barrel is very durable and long … See more
This coats the bore with a lead veneer. Since the hills and valleys have less of a gap to accommodate the buildup of lead, pressure increases more rapidly than it does in a cut barrel. This is not a problem with jacketed bullets. That is because the jacket material is a … See more
Polygonal rifling is typically thought to be less accurate than conventional cut rifling. Precision pistols, such as used in bull’s-eye and IHMSA completion almost universally use traditional cut rifling. This because of the stresses of manufacture mentioned before. I … See more
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Different manufacturers employ varying polygonal rifling profiles. H&K, CZ and Glock use a female type of polygonal rifling. This type has a smaller bore area than the male type of polygonal rifling designed and used by Lothar Walther. Other companies such as Noveske Rifleworks (Pac Nor) and LWRC use a rifling more like the conventional rifling, with both of each land's sides being sloped …
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 9 mins
WEBOct 7, 2021 · Polygonal vs. Conventional Rifling. Traditional Rifling. Right up front, let’s take a look at traditional rifling. Classic rifling uses lands and grooves. Manufacturers cut them into the barrel to “grab” the bullet and …
WEBMay 21, 2023 · This type of profile is often called “conventional” rifling. However, other profiles such as polygon, sloped or ratchet-edged, semi-polygon and others will be encountered. There are five...
WEBJun 8, 2010 · While the lands of conventional rifling look somewhat like the angular teeth on a gearwheel, those of polygonal rifling look more like bulges rising from the bore. …
WEBJul 1, 2022 · Like 5R rifling, ratchet rifling has five lands and grooves. The majority of rifle barrels made today have either four or six lands and grooves, but more and less have appeared. Among the more unusual …
WEBFeb 4, 2022 · Polygonal rifling does not look like conventional rifling with lands and grooves. Instead the bore is made of a series of flats, which still provide a stabilizing twist to the projectile,...
WEBAnother form of rifling that has a significant following is polygonal rifling. Instead of grooves cut or pressed into the barrel’s bore, the entire bore is made as a rounded-corner polygon, most ...
WEBPolygonal barrel rifling has a much less defined set of lands and valleys, and is generally smoother in shape. This results in less resistance for the bullet when travelling down the barrel, higher bullet velocities and …
WEBJun 10, 2016 · For shooters, polygonal rifling has distinct advantages over its swaged brothers. For one, the bores create a tighter gas seal leading to higher muzzle velocities, but less lead deposits/cleaning and extended …
What is Polygonal Rifling - YouTube
WEBAug 5, 2012 · 49.1K subscribers. Subscribed. 198. 55K views 11 years ago. In the linked article below I explain the What is Polygonal Rifling and Differences Between Polygonal and Conventional...
Polygonal vs Conventional Rifling and Glock Marksman - YouTube
WEBSep 19, 2023 · Ever wonder what is the difference between rifling types? Please check us out on:Facebook at: https://www.facebook.com/hammerstrikerPatreon at: https://www....
BBTI - Ballistics by the Inch :: Results
WEBPolygonal v. Traditional L&G Rifling ("Glock tests") This is the newest part of our site. Firearms today typically use one of two different styles of rifling to impart spin to a bullet …
What brands of firearms have polygonal rifling? - TheGunZone
WEBFeb 19, 2024 · 1. What is polygonal rifling? Polygonal rifling is a type of rifling in a firearm barrel that has rounded, polygonal-shaped grooves instead of traditional sharp …
Polygonal VS Traditional rifling... - The Firing Line Forums
WEBDec 6, 2013 · Chronographing the same ammo in similar barrel lengths, Glocks, and other 9MM pistols with conventional rifling, and earlier S&W .357 revolvers with …
Polygonal Rifling - Pros and Cons | The Firearms Forum
WEB#2 · Feb 22, 2011. because some types are better... Polygonal is great, but so is precision cut, and precision cut can be done in any twist rate desirable and produced at a cheaper …
Polymer Accubond vs Speer Hot-Cor SP vs Nosler Partition Oct 29, 2017 Pistol decockers Aug 27, 2012 Pistol or SBR? Jan 10, 2011 Pistol cartridge case lengths Jun 8, 2010 Barrels and Bullets: Conventional Versus Polygonal Rifling
WEBSep 10, 2022 · Polygonal rifling must be for handguns only, since distance rifle shooters use traditional rifling. Reloaders do not save money, they just shoot more for an amount …
5R rifling VS Polygonal rifling VS other types of rifling
WEBOct 28, 2017 · Polygonal rifling is mostly found in large-bore rifles and .45 ACP pistols. Occasionally you'll find it other calibers. All of my pistols with polygonal rifling are very …
Why are poly rifled barrels not more common? - Sniper's Hide
WEBMar 7, 2013 · Polygonal riflling- Schneider barrels P5 profile is like this. Conventional circular bore but the rifling lands are sloped like a polygon 5R- Canted land rifling, …
just how better is polygonal vs standard rifling? : r/guns - Reddit
WEB5. Reply. 420Phase_It_Up. • 8 yr. ago. Polygonal rifling has a few "supposed" advantages. The magnitude of those advantages is not huge. The first advantage, is that polygonal …
Barrels and Bullets: Conventional Versus Polygonal Rifling
WEBApr 10, 2022. #1. Interesting article on conventional vs polygonal rifling. Good read and explanations of both types.
Conventional vs. Polygonal rifling --- Advantages/Disadvantages
WEB#1 · Jan 4, 2007. I wonder in lay-terms what are the differences between conventional and polygonal rifling? I would imagine that each has its advantages and its disadvantages. …
Polygonal vs Conventional rifling - AR15.COM
WEBOct 14, 2008 · The Lothar Walther polygon barrels I've shot do well with longer bullets, not necessarily heavier bullets, just longer. These tend to shoot 0.75-1 MOA, while …
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