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5mm Remington Rimfire Magnum

Bottlenecked rimfire cartridge introduced by Remington Arms Company

Field	Value
name	5 mm Remington Rimfire Magnum
image	5mm Remington Rimfire Magnum.jpg	image_size = 260px
caption	5 mm RRM (left), [.22 WMR](22-winchester-magnum-rimfire) (center) and [.17 HMR](17-hmr) (right).
origin	United States
type	Rifle
designer	Remington Arms Company
design_date	1969
manufacturer	Remington
production_date	1969–1973 (original production)
2008–present (current production)
case_type	Rimmed, bottleneck
bullet	.204
neck	.225
shoulder	.259
base	.259
rim_dia	.325
rim_thick	.050
case_length	1.020
length	1.30
primer	Rimfire
max_pressure	37000
pressure_method	SAAMI
bw1	38 gr. (2.5 g)
btype1	Lead
vel1	2100
en1	372
bw2	30 gr. (1.9 g)
btype2	JHP
vel2	2410
en2	410
balsrc	"Cartridges of the World",

2008–present (current production)

The 5 mm Remington Rimfire Magnum or 5 mm RFM is a bottlenecked rimfire cartridge introduced by Remington Arms Company in 1969. Remington chambered it in a pair of bolt-action rifles, the Model 591 and Model 592, but this ammunition never became very popular, and the rifles were discontinued in 1974. About 52,000 rifles and 30,000 barrels for the T/C Contender pistol were sold during its brief production run. Remington discontinued the cartridge itself in 1982, leaving owners with no source of ammunition.

In 2008, the cartridge was reintroduced by Aguila Ammunition in collaboration with Centurion Ordnance.

Design

Remington designed a completely new, bottlenecked case that was somewhat similar to the older .22 Winchester Magnum, but stronger to handle the higher pressure of the 5 mm at 37000 psi.

Between 1982 and 2008, no ammunition was being manufactured. Some firearms manufacturers even created conversion kits to allow the existing 5 mm guns to shoot other more-common cartridges.

At the 2008 SHOT Show, Aguila Ammunition announced it would reintroduce the cartridge and begin commercial production of 5 mm RFM ammunition. Until 2019, the cartridges were sold in the United States of America under the Centurion brand. In 2019, Aguila Ammunition announced the company now offered two 5 mm RFM loads: one with a semi-jacketed hollow point bullet and a second with a full jacketed hollow point bullet. Both loads use a 30 gr projectile and have a muzzle velocity of 2300 ft/s.

Performance

The 5 mm RRM offers higher velocity and more energy than the .22 WMR and the later .17 HMR. It offers improved performance on small game and for varmint hunting, along with excellent accuracy.

Weight (grains)	Name	Brand	Type	Velocity (ft/s)	Energy (ft⋅lbf)	Trajectory (in)	0 yd	50 yd	100 yd	150 yd	200 yd	0 yd	50 yd	150 yd	0 yd	50 yd
17 gr	[.17 HMR](17-hmr)	Remington	AccuTip-V	2550 ft/s	2380 ft/s	1900 ft/s	1620 ft/s	1378 ft/s	245 ftlbf	185 ftlbf	136 ftlbf	99 ftlbf	72 ftlbf	+0.1 in	-2.6 in	N/A
38 gr	5 mm RFM	Remington	C.L. HP	2100 ft/s	N/A	1605 ft/s	1400 ft/s	N/A	372 ftlbf	N/A	217 ftlbf	165 ftlbf	N/A	N/A	-4.3 in	N/A
33 gr	[.22 WMR](22-wmr)	Remington	AccuTip-V	2000 ft/s	1703 ft/s	1495 ft/s	N/A	N/A	293 ftlbf	219 ftlbf	164 ftlbf	N/A	N/A	+0.6 in	-4.5 in	N/A

5 mm Craig centerfire conversion

When Remington discontinued production of 5 mm RFM ammunition, owners of Remington 591 and 592 rifles were left with excellent rifles but no ammunition for them. In 1994, Mike Craig of Seattle, Washington began working on a centerfire conversion of the 5 mm RFM, called the 5 mm Craig.

Firearms chambered for 5 mm RRM

For a brief time, Thompson Center Arms offered firearms in 5 mm Mag.

At the 2008 SHOT show, Taurus International introduced the first handgun chambered for the 5 mm Remington Magnum Rimfire.

References

Barnes, Frank C.. (2006). "Cartridges of the World". Gun Digest Books.
"Comparison: .17 HMR, 5 mm Rem. RF Mag, and .22 WMR".
[https://support.remington.com/General_Information/When_was_the_5mm_Remington_rimfire_discontinued%3F When was the 5 mm Remington rimfire discontinued?] {{dead link. (August 2020)
Ken Ramage. (5 August 2008). "Gun Digest 2009: The World's Greatest Gun Book". F+W Media, Inc.
"5mm Centerfire. - Free Online Library".
"[http://www.chuckhawks.com/5mm_rem_mag.htm The 5 mm Remington Rimfire Magnum]" by Chuck Hawks
Andy Moe. (2008-01-28). "Aguila Brings Back the 5 mm Remington!".
(1 July 2008). "I'm ba-a-a-ck! The return of the 5 mm Remington rimfire magnum.". Guns Magazine.
Simpson, L. (2019, November 19). Aguila 5mm remington rimfire magnum ammo review. Shooting Times. https://www.shootingtimes.com/editorial/aguila-5mm-rimfire-magnum-ammo-review/369583
Miscellaneous questions. (n.d.). http://www.frfrogspad.com/miscellk.htm#+P
(2008-03-02). "Aguila 5 mm Ammo {{!}} New Ammunition for the Classic 5 mm Rimfire".
(2000). "5mm-Craig Centerfire".
"5MM Craig Story". Eagle View Arms.
Sturdevantsays, Lafe. (2008-02-13). "Taurus 590 Revolver in 5 mm Rimfire {{!}} New Gun for Old Round".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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