7 mm caliber - AbsoluteAstronomy.com

This article lists firearm

Firearm

A firearm is a weapon that launches one, or many, projectile at high velocity through confined burning of a propellant. This subsonic burning process is technically known as deflagration, as opposed to supersonic combustion known as a detonation. In older firearms, the propellant was typically...

cartridges which have a bullet in the 7 millimetre (0.275590551181102 in) to 8 millimetre (0.31496062992126 in) caliber

Caliber

In guns including firearms, caliber or calibre is the approximate internal diameter of the barrel in relation to the diameter of the projectile used in it....

range.

Length refers to the cartridge case length.
OAL refers to the overall length of the cartridge.

All measurements are in mm (in), and all charts are sortable by clicking on the icon beside the title of the column you wish to sort.

Pistol cartridges

Name	Bullet	Case type	Case length	Rim	Base	Shoulder	Neck	OAL
7 mm Nambu	7.112 (.280)	rimless bottleneck	19.81 (0.78)	9.12 (.359)	8.91 (.351)	8.56 (.337)	7.52 (.296)	26.92 (1.06)
7.65mm Roth-Sauer 7.65mm Roth-Sauer The 7.65mm Roth-Sauer is a centerfire cartridge resembling a shortened .32 ACP. Two self-loading pocket pistols were designed for this cartridge. One was manufactured by Roth-Sauer of Germany, and the other by Frommer of Hungary....	7.645 (.301)	rimless straight	12.95 (0.51)	8.51 (.335)	8.51 (.335)	-	8.43 (.332)	21.34 (0.84)
7.65x25mm Borchardt 7.65x25mm Borchardt The 7.65×25mm Borchardt cartridge was designed by Hugo Borchardt. It was the ammunition of the Borchardt C-93 pistol. This cartridge provided the basis for the 7.63×25mm Mauser cartridge, which has similar dimensions but a stronger powder charge...	7.798 (.307)	rimless bottleneck	25.15 (.990)	9.91 (.390)	9.78 (.385)	9.4 (.370)	8.41 (.331)	34.54 (1.36)
7.62x25mm Tokarev	7.798 (.307)	rimless bottleneck	24.99 (.984)	9.96 (.392)	9.83 (.387)	9.47 (.373)	8.48 (.334)	34.29 (1.35)
7.63x25mm Mauser	7.823 (.308)	rimless bottleneck	25.15 (.990)	9.91 (.390)	9.68 (.368)	9.4 (.370)	8.43 (.332)	34.54 (1.36)
7.65mm Mannlicher 7.65mm Mannlicher The 7.63 mm Mannlicher is a centerfire pistol cartridge developed for the Steyr Mannlicher M1901 pistol. This military pistol was rejected by the Austrian Ministry of War, but was often carried as a private weapon by officers. England began manufacturing ammunition when the Mannlicher pistol...	7.823 (.308)	rimless straight	21.34 (0.84)	8.48 (.334)	8.43 (.332)	-	8.41 (.331)	28.45 (1.12)
7.65mm Longue 7.65mm Longue The 7.65×20mm Longue was a straight, rimless cartridge used in the French Modele 1935 pistols, as well as the MAS-38 submachine gun....	7.849 (.309)	rimless straight	19.81 (0.78)	8.56 (.337)	8.56 (.337)	-	8.53 (.336)	30.23 (1.19)
7.65x21mm Parabellum	7.861 (.3095)	rimless bottleneck	21.59 (.850)	10.01 (.394)	9.906 (.390)	9.627 (.379)	8.433 (.332)	29.84 (1.175)
.32 NAA .32 NAA The .32NAA is a cartridge/firearm 'system' designed and developed by the partnership of North American Arms and Cor-bon Ammunition. The cartridge is based on a .380 ACP case, which is necked-down to hold a 32 caliber bullet with the goal being an improvement in ballistic performance over either the...	7.92 (.312)	rimless bottleneck	17.27 (.680)	9.5 (.374)	9.5 (.374)	9.47 (.373)	8.53 (.336)	24.99 (.984)
.32 ACP .32 ACP .32 ACP , also known as the .32 Automatic is a pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pistol... (7.65x17mm Browning SR)	7.937 (.3125)	semi-rimmed straight	17.27 (.680)	9.093 (.358)	8.585 (.338)	N/A	8.560 (.337)	24.99 (.984)

Revolver cartridges

Name	Bullet	Case type	Case length	Rim	Base	Neck	Cartridge length
7.62x38mmR 7.62x38mmR 7.62×38mmR is a unique ammunition cartridge designed for use in the Russian Nagant M1895 revolver.... (7.62 mm Nagant {Rimmed})	7.493 (.295)	rimmed straight	38.86 (1.53)	9.855 (.388)	8.51 (.335)	7.26 (.286)	38.86 (1.53)
.32 Smith & Wesson .32 S&W The .32 S&W cartridge was introduced in 1878 for the Smith & Wesson model 1½ revolver. It was originally designed as a black powder cartridge.The .32 S&W was offered to the public as a light, defense cartridge, for "card table" distances....	7.950 (.312)	rimmed straight	15.49 (0.61)	9.53 (.375)	8.51 (.335)	8.48 (.334)	23.37 (0.92)
.32 S&W Long .32 S&W Long The .32 S&W Long is a straight-walled, centerfire, rimmed handgun cartridge, based on the earlier .32 S&W cartridge. It was introduced in 1896 for Smith & Wesson's first-model Hand Ejector revolver... (.32 Colt New Police)	7.950 (.312)	rimmed straight	23.62 (0.93)	9.53 (.375)	8.51 (.335)	8.48 (.334)	32.26 (1.27)
.32 Short Colt (.320 Revolver)	7.950 (.313)	rimmed straight	16.51 (.650)	9.576 (.377)	8.077 (.318)	7.95 (.313)	24.38 (.960)
.32 Long Colt (.32 Colt)	7.950 (.313)	rimmed straight	23.37 (0.92)	9.500 (.374)	8.077 (.318)	7.95 (.313)	32.00 (1.26)

7.0 mm (.277 in) rifle cartridges (commonly known as .270 or 6.8 mm)

Name	Bullet	Length	Rim	Base	Shoulder	Neck	OAL
6.8 mm Remington SPC 6.8 mm Remington SPC The 6.8 mm Remington SPC is a rifle cartridge that was developed with collaboration from individual members of United States Special Operations Command . Based upon the .30 Remington cartridge, it is midway between the 5.56×45mm NATO and 7.62×51mm NATO in bore diameter and velocity...	7.036 (.277)	42.545 (1.675)	10.72 (.422)	10.69 (.421)	10.21 (.402)	.298 (.298)	58.80 (2.315)
.270 Winchester .270 Winchester The .270 Winchester was developed by Winchester Repeating Arms Company in 1923 and unveiled in 1925 as a chambering for their bolt-action Model 54. The cartridge is based upon the .30-06 Springfield...	7.036 (.277)	64.52 (2.540)	12.01 (.473)	11.94 (.470)	11.20 (.441)	7.06 (.278)	84.84 (3.340)
270 WSM Winchester Short Magnum Winchester Short Magnum, or WSM, refers to a family of rebated rim bottlenecked centerfire short magnum cartridges developed in the early 2000s by the U.S. Repeating Arms Company, the maker of Winchester rifles and one of the oldest firearms manufacturers in the United States... (Winchester Short Magnum)	7.036 (.277)	53.34 (2.100)	13.59 (.535)	14.10 (.555)	13.665 (.538)	7.976 (.314)	72.64 (2.860)
.270 Weatherby Magnum .270 Weatherby Magnum The .270 Weatherby Magnum was the first belted magnum based on the .300 H&H Magnum to be developed by Roy Weatherby. It has the characteristic double-radius shoulders and is necked down to accommodate the .277in bullets. Being a proprietary cartridge, the .270 Weatherby has no official SAAMI...	7.036 (.277)	64.75 (2.55)	13.50 (.531)	13.00 (.512)	12.50 (.492)	7.70 (.303)	82.50 (3.250)

7.2 mm (.284 in) rifle cartridges (commonly known as 7 mm)

Name	Bullet	Length	Rim	Base	Shoulder	Neck	OAL
.276 Enfield .276 Enfield The .276 Enfield was an experimental military rifle cartridge developed in conjunction with the Pattern 1913 Enfield rifle. Development was discontinued by the onset of World War I.-History:...	7.16 (.282)	60 (2.35)	13.1 (.517)	13.4 (.528)	-	-	82 (3.23)
.284 Winchester .284 Winchester The .284 Winchester is an example of a commercially rather unsuccessful cartridge that has enjoyed a resurgence in interest due to interest from long-range competitive shooters...	7.211 (.284)	55.12 (2.170)	12.01 (.473)	12.72 (.501)	12.06 (.475)	8.13 (.320)	71.12 (2.80)
7 mm BR (Bench Rest)	7.214 (.284)	38.61 (1.520)	12.01 (.473)	11.94 (.470)	11.68 (.460)	7.82 (.308)
7 mm SAUM (Short Action Ultra Magnum)	7.214 (.284)	51.69 (2.035)	13.564 (.534)	13.97 (.550)	13.564 (.534)	8.128 (.320)	71.76 (2.825)
7 mm WSM	7.214 (.284)	53.34 (2.100)	13.59 (.535)	14.10 (.555)	13.67 (.538)	8.15 (.321)
7 mm Dakota	7.214 (.284)	63.50 (2.500)	13.84 (.545)	13.84 (.545)	13.49 (.531)	8.00 (.315)
.280 British .280 British The .280 British was an experimental intermediate rifle cartridge. It was later designated 7 mm MK1Z, and has also been known as 7 mm NATO, .280/30, .280 Enfield, .280 NATO, 7 mm FN Short, and 7×43mm. It was designed by the British Army in the late 1940s, with subsequent help from...	7.214 (.284)	43.434 (1.71)	11.633(.458)	11.94 (.470)	11.38 (.448)	7.95 (.313)	64.516 (2.54)
.280/30 British .280 British The .280 British was an experimental intermediate rifle cartridge. It was later designated 7 mm MK1Z, and has also been known as 7 mm NATO, .280/30, .280 Enfield, .280 NATO, 7 mm FN Short, and 7×43mm. It was designed by the British Army in the late 1940s, with subsequent help from...	7.214 (.284)	43.434 (1.71)	12.01 (.473)	11.94 (.470)	11.38 (.448)	7.95 (.313)	64.516 (2.54)
.276 Pedersen .276 Pedersen The .276 Pedersen round was an experimental 7 mm cartridge developed for the U.S. Army and used in the Pedersen rifle and early versions of what would become the M1 Garand rifle.-Summary:...	7.218 (.284)	51.38 (2.023)	11.43 (.450)	11.43 (.450)	9.78 (.385)	7.95 (313)	72.39 (2.85)
7-30 Waters 7-30 Waters The 7-30 Waters cartridge is a wildcat cartridge developed by author Ken Waters in 1976 to give better performance to lever action rifle shooters than the parent .30-30 Winchester cartridge, by providing a higher velocity and flatter trajectory with a smaller, lighter bullet...	7.214 (.284)	52 (2.04)	12.9 (.506)	10.7 (.422)	(needed)	7.8 (.306)	64 (2.52)
7 mm-08 Remington 7 mm-08 Remington The 7mm-08 Remington is a rifle cartridge that is almost a direct copy of a wildcat cartridge developed around 1958 known as the 7mm/308. As these names would suggest, it is the .308 Winchester case necked down to accept 7 mm bullets with a small increase in case length...	7.214 (.284)	51.689 (2.035)	12.01 (.473)	11.94 (.470)	11.53 (.454)	8.00 (.315)	71.12 (2.80)
7 x 57 mm Mauser 7 x 57 mm Mauser The 7×57mm cartridge, also known as the 7 mm Mauser, 7×57mm Mauser, 7 mm Spanish Mauser in the USA and .275 Rigby in the United Kingdom, was developed by Paul Mauser of the Mauser company in 1892 and adopted as a military cartridge by Spain in 1893. It was subsequently adopted by several... 7 mm Mauser Spanish Mauser .275 Rigby	7.24 (.285)	57.00 (2.244)	12.01 (.473)	11.99 (.472)	10.92 (.430)	8.23 (.324)	77.72 (3.06)
7 mm Remington Magnum 7 mm Remington Magnum The 7mm Remington Magnum rifle cartridge was introduced as a commercially available round in 1962, along with the new Remington Model 700 bolt action rifle. It is a member of the belted magnum family that is directly derived from the venerable .375 H&H Magnum...	7.214 (.284)	63.50 (2.50)	13.51 (.532)	13.00 (.512)	12.47 (.491)	8.00 (.315)	83.56 (3.290)
7 x 64 Brenneke	7.24 (.285)	64.00 (2.520)	11.95 (.470)	11.85 (.467)	10.80 (.425)	7.95 (.313)	84.00 (3.307)
.280 Remington .280 Remington The .280 Remington, also known as the 7 mm Express Remington, was introduced in 1957 for the Remington model 740, 760, 721 and 725 rifles. The .280 is based on the .30-06 Springfield necked down to accept 7 mm bullets, with the neck moved forward .050in... (7 mm Remington Express)	7.214 (.284)	64.52 (2.54)	12.01 (.473)	11.94 (.470)	11.20 (.441)	8.00 (.315)	84.58 (3.33)
7 mm RUM 7 mm Remington Ultra Magnum The 7mm Remington Ultra Magnum or 7mm RUM is a 7mm rifle cartridge introduced by Remington Arms in 2001.-Overview:The 7mm RUM was created using the .404 Jeffery case which was also used to develop the .375 RUM .300 RUM, and .338 RUM... (Remington Ultra Magnum)	7.214 (.284)	72.39 (2.85)	13.564 (.534)	13.97 (.550)	13.335 (.525)	8.179 (.322)	92.71 (3.650)
7 mm STW 7 mm STW The 7mm Shooting Times Westerner, sometimes refereed to as the 7mm STW began as a wildcat rifle cartridge developed by Layne Simpson in 1979. It is an 8 mm Remington Magnum case that has been "necked down" by 1 mm to accept 7 mm bullets... (Shooting Times Westerner)	7.214 (.284)	72.39 (2.850)	13.02 (.5126)	13.51 (.532)	12.36 (.4868)	8.00 (.315)	91.44 (3.60)
7 mm Weatherby Magnum 7 mm Weatherby Magnum The 7 mm Weatherby Magnum is a powerful 7 mm rifle cartridge offered by the Weatherby firearms company in their Mark V rifles. The cartridge was one of the first cartridges offered by the Weatherby company....	7.214 (.284)	-	-	-	-	-	-
.280 Ross .280 Ross The .280 Ross, also known as the .280 Nitro, .280 Rimless Nitro Express Ross and .280 Rimless cartridge, is an approximately 7mm bullet diameter rifle round developed in Canada by F.W... / .280 Rimless / .280 Nitro	7.29 (.287)	65.79 (2.59)	14.12 (.556)	13.56 (.534)	10.26 (.404)	8.05 (.317)	88.9 (3.50)
Modern 7mm Rem Mag (375 Ruger case)	7.214 (.284)	65 (2.559)	13.51 (.532)	13.51 (.532)	13.1 (.516)	8.05 (.317)	85 (3.35)

7.8 mm (.308 in) rifle cartridges (commonly known as .308, 30 caliber, 7.62 mm)

Name	Bullet	Length	Rim	Base	Shoulder	Neck	OAL
.30 Pedersen	7.82 (.308)	19.76 (.778)	8.48 (.334)	8.48 (.334)	N/A	8.43 (.332)	30.38 (1.196)
.30 Carbine .30 Carbine The .30 Carbine is the cartridge used in the M1 Carbine introduced in the 1940s. It is an intermediate round designed to be fired from the M1 carbine's 18-inch barrel.-History:...	7.798 (.307)	32.77 (1.290)	9.14 (.360)	8.99 (.354)	N/A	8.41 (.331)	41.91 (1.65)
7.62x40 Wilson Tactical 7.62x40 Wilson Tactical The 7.62×40 Wilson Tactical is a centerfire rifle cartridge introduced in 2011 by Wilson Combat. The goal was to produce an accurate, low-recoil .30-caliber cartridge that could be used in AR-15/M4 rifles using as many standard components as possible.-Design:The 7.62×40 WT is based on the...	7.82 (.308)	39.8 (1.565)	9.6 (.378)	9.6 (.377)	-	-	-
7.62 x 51 mm NATO	7.82 (.308)	51.05 (2.01)	11.94 (.470)	11.84 (.466)	11.35 (.447)	8.58 (.338)	69.85 (2.75)
.308 Winchester .308 Winchester The .308 Winchester is a rifle cartridge and is the commercial cartridge upon which the military 7.62x51mm NATO centerfire cartridge is based. The .308 Winchester was introduced in 1952, two years prior to the NATO adoption of the 7.62x51mm NATO T65...	7.82 (.308)	51.18 (2.015)	11.94 (.470)	11.94 (.470)	11.53 (.454)	8.74 (.344)	69.85 (2.75)
.300 RSAUM	7.82 (.308)	51.181 (2.015)	13.564 (.534)	13.97 (.550)	13.564 (.534)	8.74 (.344)	51.69 (2.035)
.300 WSM Winchester Short Magnum Winchester Short Magnum, or WSM, refers to a family of rebated rim bottlenecked centerfire short magnum cartridges developed in the early 2000s by the U.S. Repeating Arms Company, the maker of Winchester rifles and one of the oldest firearms manufacturers in the United States... (Winchester Short Magnum)	7.823 (.308)	53.34 (2.100)	13.59 (.535)	14.10 (.555)	13.665 (.538)	8.74 (.344)	72.64 (2.860)
7.5 x 54 mm MAS Mle.1929	7.82 (.308)	53.59 (2.11)	12.24 (.482)	12.19 (.480)	11.2 (.441)	8.64 (.340)	75.95 (2.99)
7.5 x 55 Schmidt Rubin 7.5 x 55 Schmidt Rubin The 7.5×55mm Swiss or GP 11 is a cartridge developed for the Swiss Army by Lt. Col. Eduard Rubin for rifles based on Rudolf Schmidt's action design. The ammunition used by the Schmidt-Rubin Model 1889 rifle was one of the first to use 7.5 mm copper jacketed rounds similar to those used today...	7.77 (.306)	55.499 (2.185)	12.598 (.496)	12.548 (.494)	11.481 (.452)	8.484 (.334)	77.47 (3.05)
.30-40 Krag .30-40 Krag The .30-40 Krag was a cartridge developed in the early 1890s to provide the U.S. armed forces with a smokeless powder cartridge suited for use with modern small-bore repeating rifles to be selected in the 1892 small arm trials...	7.82 (.308)	58.674 (2.31)	13.84 (.545)	11.608 (.457)	10.541 (.415)	8.585 (.338)	78.74 (3.10)
.30-03 .30-03 The .30-03 was a short-lived cartridge developed by the United States in 1903, to replace the .30-40 Krag in the new Springfield 1903 rifle. The .30-03 was also called the .30-45, since it used a 45 grain powder charge; the name was changed to .30-03 to indicate the year of adoption. It used a...	7.835 (.3085)	64.52 (2.54)	12.01 (.473)	11.94 (.470)	11.2 (.441)	8.64 (.340)	84.84 (3.340)
.30-06 Springfield .30-06 Springfield The .30-06 Springfield cartridge or 7.62×63mm in metric notation, was introduced to the United States Army in 1906 and standardized, and was in use until the 1960s and early 1970s. It replaced the .30-03, 6 mm Lee Navy, and .30 US Army...	7.835 (.3085)	63.35 (2.494)	12.01 (.473)	11.94 (.470)	11.07 (.436)	8.628 (.3397)	84.84 (3.340)
.300 Winchester Magnum .300 Winchester Magnum The .300 Winchester Magnum is a popular, belted, bottlenecked magnum rifle cartridge that was introduced by Winchester Repeating Arms Company in 1963 as a member of the family of Winchester Magnum cartridges. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard length...	7.82 (.308)	66.55 (2.62)	13.51 (.532)	13.03 (.513)	12.42 (.489)	8.61 (.339)	84.84 (3.34)
.300 RUM .300 Remington Ultra Magnum The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag or .300 RUM is a 7.62 mm caliber rifle cartridge , 7.62x72mm, or .30 caliber rifle cartridge introduced by Remington Arms in 1999. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums...	7.82 (.308)	72.39 (2.850)	13.564 (.534)	13.97 (.550)	13.335 (.525)	8.74 (.344)	90.30 (3.555)
.30-30 Winchester .30-30 Winchester The .30-30 Winchester/.30 Winchester Center Fire/7.62×51mmR cartridge was first marketed in early 1895 for the Winchester Model 1894 lever-action rifle. The .30-30 , as it is most commonly known, was the USA's first small-bore, sporting rifle cartridge designed for smokeless powder. The .30-30 is...	7.849 (.309)	51.79 (2.039)	12.85 (.506)	10.72 (.422)	10.18 (.401)	8.46 (.333)	64.77 (2.550)
7.62 x 45 mm M52	7.85 (.309)	44.9 (1.768)	11.18 (.440)	11.20 (.441)	10.46 (.412)	8.48 (.334)	60 (2.362)
.300 Weatherby Magnum .300 Weatherby Magnum The .300 Weatherby Magnum is a .30 caliber rifle cartridge created by Roy Weatherby in 1944 and produced by Weatherby. It has become the most popular of all the Weatherby cartridges.-Background:...	7.82 (.302)	71.75 (2.825)	13.49 (.531)	13 (.512)	12.5 (.492)	8.53 *.336)	90.47 (3.562)
.30-378 Weatherby Magnum .30-378 Weatherby Magnum The .30-378 Weatherby Magnum is a cartridge introduced by Weatherby in 1996 that uses the same case as the previously existing .378 Weatherby Magnum and .460 Weatherby Magnum, necked down to a 30 caliber bullet. It is offered with bullets between 165 and 200 grains in factory loading, generating...	7.82 (.308)	73.99 (2.913)	14.71 (.579)	14.78 (.582)	14.25 (.561)	8.56 (.337)	93.73 (3.690)
Modern 300 H&H (Full length 375 Ruger case)	7.82 (.308)	72.39 (2.850)	13.51 (.532)	13.51 (.532)	13.1 (.516)	8.6 (.338)	91.44 (3.600)

7.8 mm (.310 in) and greater rifle cartridges

Name	Bullet	Length	Rim	Base	Shoulder	Neck	OAL
7.62x54mmR	7.870 (.310)	53.72 (2.115)	14.48 (.570)	8.53 (.336)	11.47 (.452)	8.50 (.335)	77.16 (3.038)
7.62x39mm M43	7.899 (.311)	38.65 (1.522)	11.30 (.445)	11.25 (.443)	10.01 (.394)	8.636 (.340)	55.80 (2.197)
.303 British .303 British .303 British, or 7.7x56mmR, is a .311 inch calibre rifle and machine gun cartridge first developed in Britain as a blackpowder round put into service in December 1888 for the Lee-Metford rifle, later adapted to use smokeless powders...	7.925 (.312)	55.88 (2.2)	13.46 (.530)	11.61 (.457)	10.19 (.401)	8.53 (.336)	76.48 (3.011)
.32-20 Winchester .32-20 Winchester The .32-20 Winchester, also known as the .32 WCF , was the first small-game lever-action cartridge thatWinchester produced. It was initially introduced as a blackpowder cartridge in 1882 for small-game, varmint hunting, and deer. Colt produced a single-action pistol chambered for this cartridge a... .32-20 WCF	7.937 (.3125)	33.401 (1.315)	10.287 (.405)	8.966 (.353)	8.687 (.342)	8.280 (.326)	40.386 (1.59)
7.65x53mm Argentine	7.950 (.313)	53.188 (2.094)	11.938 (.470)	11.887 (.468)	10.897 (.429)	8.585 (.338)	75.387 (2.968)
7.7x58mm Arisaka	7.950 (.313)	57.15 (2.25)	11.94 (.470)	11.89 (.468)	10.9 (.429)	8.59 (.338)	74.93 (2.95)
.300 Lapua Magnum .300 Lapua Magnum The .300 Lapua Magnum is a specialized rimless bottlenecked centerfire cartridge developed for long-range rifles. The commercially successful .338 Lapua Magnum cartridge has functioned as the parent case for the .300 Lapua Magnum, which is essentially a necked-down version of the .338 Lapua Magnum...	7.87 (.310)	69.73 (2.745)	14.93 (.588)	14.91 (.587)	13.82 (.544)	8.73 (.344)	94.50 (3.72)

External links

7mm Cartridge Guide from AccurateShooter.com

Rifle Shooter Mag article on 7 mm cartridges

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