6 mm caliber

This is a list of firearm cartridges which have bullets of a caliber between 6 millimetres (0.236 in) and 6.99 millimetres (0.275 in).

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

6 mm caliber
Example of a 6 mm cartridge, a .25 ACP
Firearm cartridges
« 4 mm, 5 mm 6 mm 7 mm, 8 mm »

Measurements are in millimeters then inches, i.e. mm (in).

Pistol cartridges

See also: List of handgun cartridges

Name	Bullet	Case type	Case length	Rim	Base	Shoulder	Neck	OAL
.25 ACP (.25 Auto)	6.375 (.251)		15.62 (.615)	7.67 (.302)	7.06 (.278)	-	7.06 (.278)	23.11 (.910)
.25 NAA	6.375 (.251)		18.9 (.744)	8.6 (.339)	8.6 (.337)	8.5 (.333)	7.0 (.276)	24.4 (.960)
6.5mm Bergmann	6.706 (.264)		22.1 (.87)	9.4 (.372)	9.3 (.368)	8.4 (.330)	7.2 (.285)	31.2 (1.23)
6.5×25mm CBJ	4.0 (.157)			-	-	-	-	29.7 (1.169)

Rifle cartridges

See also: List of rifle cartridges

.24 in (6.2 mm)

Name	Bullet	Case length	Rim	Base	Shoulder	Neck	OAL
.243 Winchester	6.17 (.243)	51.94 (2.035)	12.00 (.472)	11.96 (.470)	11.5 (.454)	7.01 (.276)	68.82 (2.709)
6mm BR	6.17 (.243)	39.6 (1.560)	12.00 (.4728)	11.96[1] (.4709)	11.6 (.458)	6.95 (.274)	62.00 (2.441)[1]
6×45mm SAW	6.17 (.243)	45.01 (1.772)	10.36 (.408)	10.26	9.72	6.63	65.44 (2.576)
6mm PPC[2]	6.172 (.243)	38.48 (1.515)	11.30 (.445)	11.20 (.441)	10.95 (.431)	6.654 (.262)	53.34 (2.100)
6mm XC[3]	6.18 (.243)	48.30 (1.902)	11.95 (.470)	11.92 (.469)	11.53 (.454)	6.96 (.274)	70.00 (2.756)
.243 WSSM	6.1722 (.243)	42.42 (1.670)	13.59 (.535)	14.1 (.555)	13.82 (.544)	7.39 (.291)	59.94 (2.360)
6mm ARC	6.18 (.243)	37.85 (1.49)	11.201 (.4410)	11.2 (.441)	10.924 (.4301)	6.96 (.274)	57.40 (2.260)
6mm GT[4]	6.180 (.2433)	43.82 (1.725)	11.96 (.471)	11.946 (.4703)	11.660 (.5490)	6.73 (.273)	63.88 (2.515) to 67.06 (2.640)
6mm Remington (.244 Remington)[5]	6.18 (.243)	56.72 (2.233)	11.99 (.472)	11.96 (.471)	10.89 (.429)	7.01 (.276)	71.76 (2.825)
.240 Weatherby Magnum[6]	6.18 (.243)	63.40 (2.496)	12.00 (.472)	11.50 (.453)	10.40(.429)	6.90 (.272)	80.00 (3.10)
6mm Creedmoor[7]	6.182 (.2434)	48.77 (1.920)	11.99 (.472)	11.946 (.4703)	11.735 (.4620)	7.01 (.276)	71.12 (2.800)
24 Nosler[8]	6.185 (.2435)	40.64 (1.600)	9.60 (.378)	10.686 (.4207)	10.249 (.4035)	6.833 (.2690)	57.40 (2.260)
6mm AR	6.2 (.243)	38.7 (1.525)	11.30 (.4449)	11.26 (.4433)	10.98 (.4323)	6.9 (.271)	57.4 (2.260)
6×45mm	6.2 (.243)	45 (1.76)	9.6 (.378)	9.6 (.377)	9 (.354)	6.9 (.272)	57.40 (2.260)
6mm Lee Navy	6.2 (.244)	60 (2.35)	11.4 (.448)	11.5 (.443)	10.2 (.402)	7.1 (.278)	79 (3.11)
.240 Apex[9] .240 Magnum Rimless .240 Magnum Flanged H&H 240 Apex .240 Belted Nitro Express	6.223 (.245)	63.25 (2.49)	11.86 (.467)	11.43 (.450)	10.24 (.403)	6.96 (.274)	81.53 (3.21)
.244 H&H Magnum	6.223 (.245)	71 (2.78)	13.5 (.532)	12.9 (.508)	11.3 (.445)	6.7 (.263)	91 (3.58)

.25 in (6.5 mm)

Name	Bullet	Case length	Rim	Base	Shoulder	Neck	OAL
.25-25 Stevens	6.5 (.257)	60.2 (2.37)	9.6 (.376)	8.2 (.323)	-	7.2 (.282)	66.8 (2.63)
.256 Win Magnum	6.528 (.257)	32.54 (1.281)	11.18 (.440)	9.677 (.381)	9.347 (.368)	6.528 (.257)	40.39 (1.590)
.25-45 Sharps	6.53 (.257)	44.7 (1.76)	9.6 (.378)	9.6 (.376)	8.99 (.3539)	7.2 (.284)	57.4 (2.26)
.257 Weatherby Magnum[10]	6.535 (.2573)	64.74 (2.549)	13.50 (.5315)	12.997 (.5117)	12.49 (.492)	7.24 (.285)	81.51 (3.209)
.25 Remington	6.54 (.257)	52.1 (2.05)	10.6 (.419)	10.6 (.419)	10.1 (.396)	7.3 (.286)	64.3 (2.53)
255 GS[11]	6.54 (.257)	55.00 (2.165)	12.20 (.480)	12.20 (.480)	11.58 (.456)	7.38 (.291) tapering to 7.33 (.289)	72.50 (2.854)
.25-06 Remington[12]	6.541 (.2575)	63.35 (2.494)	12.01 (.473)	11.94 (.470)	11.20 (.441)	7.37 (.290)	82.55 (3.250)
.25 WSSM[10]	6.541 (.2575)	42.42 (1.670)	13.59 (.535)	14.097 (.5550)	13.826 (.5443)	7.595 (.2990)	59.94 (2.360)
.25-20 Winchester	6.55 (.258)	33.78 (1.33)	10.36 (.408)	8.86 (.349)	8.46 (.333)	6.96 (.274)	40.44 (1.592)
.25-35 Winchester[13]	6.55 (.258)	51.89 (2.043)	12.85 (.506)	10.73 (.422)	9.26 (.365)	7.15 (.282)	64.77 (2.55)
.250-3000 Savage[14]	6.553 (.258)	48.46 (1.912)	12.01 (.473)	11.91 (.469)	10.51 (.414)	7.26 (.286)	63.88 (2.515)
.257 Roberts[15]	6.553 (.258)	56.72 (2.233)	12.01 (.473)	11.99 (.472)	10.92 (.430)	7.36 (.290)	70.49 (2.775)

.26 in (6.6 mm) and up

Name	Bullet	Case length	Rim	Base	Shoulder	Neck	OAL
6.45×48mm XPL Swiss	6.65 (.262)
6.5×58mm Vergueiro	6.65 (.262)	57.85 (2.278)	11.78 (.464)	11.88 (.468)	10.94 (.431)	7.56 (.298)	81.50 (3.209)
6.5×55mm Swedish (aka 6.5×55mm Krag)	6.7 (.264)	54.864 (2.16)	12.192 (.480)	12.17 (.479)	10.688 (.420)	7.468 (.294)	80.010 (3.15)
6.5×57mm Mauser	6.70 (.264)	56.70 (2.232)	11.95 (.470)	11.90 (.469)	10.94 (.431)	7.65 (.301)	82.0 (3.228)
6.5×68mm	6.70 (.264)	67.50 (2.657)	13.00 (.512)	13.30 (.524)	12.18 (.480)	7.60 (.299)	86.50 (3.408)
6.5-284 Norma	6.70 (.264)	55.118 (2.170)	12.014 (.473)	12.725 (.501)	12.065 (.475)	7.544 (.297)	81.991 (3.228)
6.5mm Remington Magnum	6.70 (.264)	55.1 (2.170)	13.51 (.532)	13.51 (.532)	12.6 (.495)	7.6 (.298)	71.1 (2.80)
6.5-06 A-Square	6.70 (.264)	63.3 (2.494)	12.014 (.473)	11.93 (.470)	11.24 (.443)	7.5 (.296)	87.3 (3.44)
.256 Newton	6.70 (.264)	61.976 (2.440)	12.014 (473)	11.963 (.471)	10.617 (.418)	7.391 (.291)	86.36 (3.40)
.260 Remington	6.70 (.264)	51.7 (2.035)	12.0 (.473)	11.9 (.470)	11.5 (.454)	7.5 (.297)	71 (2.8)
6.5mm Creedmoor	6.70 (.264)	48.8 (1.924)	12.01 (.473)	11.9 (.470)	11.7 (.459)	7.54 (.297)	71.6 (2.82)
6.5×47mm Lapua	6.70 (.264)	47 (1.9)	12.01 (.473)	11.95 (.470)	11.53 (.454)	7.41 (.292)	70 (2.8)
6.5mm Grendel	6.70 (.264)	38.7 (1.524)	11.2 (.441)	11.14 (.439)	10.87 (.428)	7.44 (.293)	57.5 (2.264)
.264 Winchester Magnum	6.70 (.264)	64 (2.5)	13.5 (.532)	13.1 (.515)	12.5 (.491)	7.6 (.299)	85 (3.34)
6.5×50mmSR Arisaka	6.705 (.264)	50.39 (1.984)	11.84 (.466)	11.35 (.447)	10.59 (.417)	7.34 (.289)	75.69 (2.980)
6.5×54mm Mannlicher–Schönauer	6.705 (.264)	53.65 (2.112)	11.52 (.454)	11.47 (.452)	10.87 (.428)	7.56 (.288)	76.77 (3.022)
6,5 G.A.P. 4S[16]	6.71 (.264)	51.18 (2.015)	13.56 (.534)	14.00 (.551)	13.58 (.535)	7.42 (.292)	76.30 (3.004)
6.5 Weatherby Rebated Precision Magnum[17]	6.71 (.2640)	65.3 (2.570)	12.0 (.473)	12.70 (.5000)	12.04 (.4739)	7.49 (.2950)	84.8 (3.340)
6.5 Precision Rifle Cartridge[18]	6.716 (.2644)	51.56 (2.030)	13.51 (.532)	13.513 (.5320)	13.101 (.5158)	7.54 (.297)	75.06 (2.955)
6.5-300 Weatherby Magnum[19]	6.716 (.2644)	71.76 (2.825)	13.50 (.5315)	12.997 (.5117)	12.498 (.4920)	7.493 (.2950)	91.44 (3.600)
26 Nosler[10]	6.718 (.2645)	65.79 (2.590)	13.56 (.534)	13.970 (.5500)	13.399 (.5275)	7.544 (.2970)	84.84 (3.340)
6.5×53mmR	6.756 (.266)	53.59 (2.110)	13.40 (.527)	11.48 (.453)	10.75 (.423)	7.55 (.297)	77.56 (3.053)
6.5×52mm Carcano	6.80 (.268)	52.50 (2.067)	11.42 (.450)	11.42 (.450)	10.85 (.427)	7.52 (.296)	76.50 (3.012)[20]

See also

• .25 caliber