1413:
31:
515:
562:
682:
As noted above, the
Grendel case is very closely related to the .220 Russian case. In general, each additional grain of bullet weight will reduce muzzle velocity by 10.8 ft/s (50.8 m/s for each gram) and each additional inch of barrel length will increase muzzle velocity by 20 ft/s
482:
varies from 2,500 ft/s (760 m/s) with 129- and 130-grain (8.4 g) bullets to 2,900 ft/s (880 m/s) with 90 gr (5.8 g) bullets (similar in velocity to a 77-grain (5.0 g) 5.56 mm round). Depending on their case material and bullet weight, 6.5mm
Grendel
552:
In order to obtain ballistics that are superior to the 7.62×51mm cartridge, a weapon with a longer barrel and firing a heavier bullet is necessary. To achieve the same results from shorter-length barrels, even heavier bullets are needed.
506:. The increased case diameter results in a small reduction in the magazine ammo capacities. A 6.5mm Grendel magazine with the same dimensions as a 30-round STANAG magazine will hold 26 rounds of Grendel ammunition.
1216:
1029:
423:
1135:
871:
1191:
1110:
683:(2.4 m/s for each centimeter). Specific details are available as graphs derived from Alexander Arms' public domain load table linked below.
1362:
706:. An American-manufactured rifle in 6.5mm Grendel caliber may also be adopted in armament for special forces units after it passes testing in
820:
945:
770:
1402:
1220:
383:. Since its introduction, it has proven to be a versatile cartridge and is now expanding into other firearm design platforms including
454:
cartridge. Constrained by the dimension of the STANAG magazines, the
Grendel's designers decided to use a shorter, larger-diameter
1045:
1241:
306:
849:
908:
801:
1520:
346:
1085:
1355:
1030:"6.5 Grendel is Approved as SAMMI Cartridge — Alexander Arms Gives up "6.5 Grendel" Trademark « Daily Bulletin"
462:
volume while allowing space for the long, streamlined, high ballistic coefficient 6.5mm (.264 cal.) bullets. Firing
875:
1195:
1008:
791:
1348:
751:
version which shares 6.5 Grendel's casing, but sends a (usually) lighter projectile up to 1,000 yards (900 m).
962:
419:
1281:
Shooting
Illustrated, September 2005, "6.5mm Grendel and Alexander Arms", J. Guthrie, pp. 34–37, 67–69.
1114:
1340:
1004:
1242:
The 6.5 MPC cartridge by SSK developed by J.D. Jones at SSK Industries | Article on
DefenseReview.com
896:
446:
platform that could reach 200–800 yd (180–730 m) and surpass the performance of the native
1288:, March/April 2006, "Cartridge Efficiency—Why case shape matters", M. L. McPherson, pp. 22–24.
983:
796:
707:
545:
at 1,000 m (1,100 yd) than the larger and heavier 147 gr (9.5 g) bullet of the
824:
546:
522:
Proponents assert that the
Grendel is a good "middle ground" between the 5.56×45mm NATO and the
1312:, March 2007, "Les Baer's 6.5mm Grendel AR Sets a New Standard", David Fortier, pp. 26–32.
542:
319:
531:
1324:#52, Spring 2007, "New Battlefield Requirements—New Rifles and Ammo Needed", Charlie Cutshaw
773:, also known as 6.5 MPC (Multi Purpose Cartridge), based on a necked up .223 Remington case.
698:
in 6.5 mm
Grendel caliber as main armament for its armed forces. The rifle, designated
35:
6.5mm
Grendel showing variety of bullets—144 gr (9.3 g) to 90 gr (5.8 g)
1136:"FIRST Military 6.5 Grendel Rifle? – 6.5mm Zastava M17 AK DMR in Testing by Serbian Army -"
364:
1043:
The Case for a
General-Purpose Rifle and Machine Gun Cartridge (GPC) by Anthony G Williams
8:
1300:, Semi-Annual #50 2007, "The Super Versatile AR", Charlie Cutshaw, pp. 44–45, 80–83.
1277:, February 2005, "Cooking up Loads for the 6.5mm Grendel", David Fortier, pp. 52–56.
776:
527:
1042:
781:
760:
1062:
Increasing Small Arms
Lethality in Afghanistan: Taking Back the Infantry Half Kilometer
388:
1177:
1163:
1149:
904:
748:
703:
534:(BC). For example, the 123 gr (8.0 g) 6.5 mm Grendel bullet has more
415:
384:
353:
523:
499:
357:
1073:
924:
459:
323:
1463:
1294:
January 2007, "Other AR Chamberings", Sidebar Article, David Fortier, p. 56.
1049:
765:
503:
479:
463:
439:
349:
1306:, Semi-Annual #50 2007, "5.56mm NATO Alternatives", Stan Crist, pp. 52–59.
535:
455:
451:
368:
1514:
1005:""Alexander Arms Announces: The 6.5 Grendel Is An Official SAAMI Cartridge ""
733:
711:
1370:
530:
energy at extended ranges than either of these cartridges due to its higher
1392:
727:
695:
471:
180:
88:
1387:
1372:
786:
491:
1097:
699:
447:
399:
376:
356:
at medium/long range (200–800 yard). It is an improved variation of the
30:
1265:, Annual #27 2004, "Beyond the 5.56mm NATO", Stan Crist, pp. 62–67.
487:
539:
467:
372:
411:
402:
1412:
1397:
1439:
1271:, 2005, "6.5mm Grendel and 6.8 SPC", David Fortier, pp. 32–44.
715:
363:
The 6.5mm Grendel cartridge was first unveiled in May 2003 at the
1495:
1434:
754:
739:
495:
486:
The case head diameter of the Grendel is the same as that of the
427:
406:
395:
330:
326:
1335:
438:
The goal of the 6.5mm Grendel design was to create an effective
1490:
744:
691:
380:
342:
514:
561:
443:
338:
334:
44:
195:
1 in 200 mm (8 in) or 1 in 230 mm (9 in)
475:
757:, a factory cartridge with many similarities to the 6mm AR
483:
cartridges weigh 14.7 to 17.8 grams (227 to 275 gr).
1318:#52, Spring 2007, "BETTER-IDEA 6.5mm GRENDEL", Stan Crist
502:, thereby necessitating the use of a non-standard AR-15
1259:, 2004, "The 6.5mm Grendel", David Fortier, p. 66.
1098:
The Army’s Individual Carbine Competition: What’s Next?
710:. Three types of 6.5mm Grendel ammunition produced by
375:
at 1,200 yd (1,100 m) range and out-shot the
1483:
850:"6.5mm Grendel: The Round the Military Ought to Have"
414:
owned by Alexander Arms (Bill Alexander's company in
329:
Bill Alexander, competitive shooter Arne Brennan (of
1217:"Why Universal Service Cartridges Will Never Happen"
573:
Bullet velocity: 24 inch (609.6 mm) barrel
946:
Prototype 6.5 Grendel AK Rifle from Definitive Arms
718:, Serbia will be tested for use with these rifles.
1512:
1356:
956:
954:
843:
841:
303:Test barrel length: 24 inches (610 mm)
1363:
1349:
963:"Alexander Arms 6.5 Grendel Hunter Review"
694:is in process of adopting a rifle made by
433:
1322:Special Weapons for Military & Police
1316:Special Weapons for Military & Police
1263:Special Weapons for Military & Police
951:
938:
565:Muzzle Velocity Change with Bullet Weight
498:cases. This diameter is larger than the
838:
702:, is a derivative of the previous-issue
686:
560:
513:
426:standardization with collaboration from
341:ballistician Janne Pohjoispää, as a low-
1100:– SAdefensejournal.com, 24 October 2013
847:
821:"6.5mm Grendel (internet archive copy)"
277:123 gr (8 g) Sierra Matchking
1513:
1111:"Untitled photograph of multiple guns"
1076:– SAdefensejournal.com, 9 January 2012
901:The Gun Digest Book of Assault Weapons
556:
394:The name "Grendel" is inspired by the
307:Alexander Arms Pressure-safe Load Data
1344:
895:
802:Table of handgun and rifle cartridges
422:, until legally released in 2010 for
960:
518:C-Products 26-round Grendel Magazine
470:with bullets ranging from 90 to 129
255:108 gr (7 g) Scenar (moly)
67:Bill Alexander and Janne Pohjoispää
13:
1088:– Strategypage.com, 8 January 2012
1074:Infantry Weapons Conference Report
266:120 gr (8 g) Norma FMJBT
14:
1532:
1329:
1411:
1269:Guns 'n' Ammo: Book of the AR-15
1257:Guns 'n' Ammo: Book of the AR-15
1219:. 6 October 2016. Archived from
903:. Gun Digest Books. p. 77.
848:Guthrie, J (November 16, 2012).
823:. Alexander Arms. Archived from
294:1,818 ft⋅lbf (2,465 J)
283:1,917 ft⋅lbf (2,599 J)
272:1,942 ft⋅lbf (2,633 J)
261:1,866 ft⋅lbf (2,530 J)
250:1,658 ft⋅lbf (2,248 J)
29:
1249:
1235:
1209:
1184:
1170:
1156:
1142:
1128:
1103:
1091:
1086:Another 7.62mm Bullet For M-16s
1079:
1067:
1054:
1036:
1022:
244:90 gr (6 g) Speer TNT
1428:based on 5.6×39mm/.220 Russian
997:
976:
917:
889:
864:
813:
792:List of AR platform cartridges
509:
291:2,510 ft/s (770 m/s)
280:2,650 ft/s (810 m/s)
269:2,700 ft/s (820 m/s)
258:2,790 ft/s (850 m/s)
247:2,880 ft/s (880 m/s)
211:360 MPa (52,000 psi)
1:
1421:Second generation derivatives
1371:Cartridges derived from the
1336:http://www.alexanderarms.com/
807:
139:11.15 mm (0.439 in)
131:10.87 mm (0.428 in)
1477:Third generation derivatives
1381:First generation derivatives
365:Blackwater Training Facility
288:130 gr (8 g) Norma
123:7.44 mm (0.293 in)
115:6.50 mm (0.256 in)
107:6.71 mm (0.264 in)
7:
1521:Pistol and rifle cartridges
721:
396:mythical monster antagonist
171:57.5 mm (2.26 in)
163:38.7 mm (1.52 in)
155:1.5 mm (0.059 in)
147:11.2 mm (0.44 in)
10:
1537:
1178:"Prvi Partizan Ammunition"
1164:"Prvi Partizan Ammunition"
1150:"Prvi Partizan Ammunition"
961:Gash, Steve (2015-07-01).
442:-length cartridge for the
1476:
1456:
1427:
1420:
1409:
1380:
1286:Petersen's: Rifle Shooter
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84:
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63:
58:
51:Place of origin
50:
40:
28:
21:
797:List of rifle cartridges
708:Technical Testing Center
434:Development and history
1484:based on 6.5mm Grendel
566:
526:. It retains greater
519:
418:) and manufactured at
320:intermediate cartridge
128:Shoulder diameter
1393:5.6×39mm/.220 Russian
687:LE and Military usage
587:1,000 meter velocity
564:
532:ballistic coefficient
517:
352:specifically for the
216:Ballistic performance
179:2.3 cm (35
371:, where it remained
322:jointly designed by
104:Bullet diameter
1138:. 22 November 2017.
1060:Ehrhart, Thomas P.
777:6.8mm Remington SPC
557:External ballistics
379:with only half the
168:Overall length
99:Rimless, bottleneck
1457:Based on 5.45×39mm
1375:or its derivatives
1048:2014-11-09 at the
872:"Products - Lapua"
827:on January 9, 2012
567:
520:
389:Kalashnikov system
385:bolt-action rifles
192:Rifling twist
152:Rim thickness
136:Base diameter
120:Neck diameter
112:Land diameter
59:Production history
1508:
1507:
1504:
1503:
1472:
1471:
984:"Company History"
948:, 13 October 2015
910:978-0-89689-498-3
680:
679:
474:(5.8 to 8.4
416:Radford, Virginia
312:
311:
298:
297:
144:Rim diameter
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1244:
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1213:
1207:
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1194:. Archived from
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1167:
1160:
1154:
1153:
1146:
1140:
1139:
1132:
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1122:
1113:. Archived from
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1101:
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1077:
1071:
1065:
1058:
1052:
1040:
1034:
1033:
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1020:
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1016:
1007:. Archived from
1001:
995:
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992:
991:
986:. Alexander Arms
980:
974:
973:
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942:
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935:
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927:. Alexander Arms
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893:
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883:
874:. Archived from
868:
862:
861:
859:
857:
852:. Shooting Times
845:
836:
835:
833:
832:
817:
782:7.62×37mm Musang
761:6.5×55mm Swedish
736:(5.6×41 mm)
730:(5.6×39 mm)
584:Muzzle velocity
569:
568:
490:(.220 Russian),
324:British-American
233:Bullet mass/type
230:
229:
208:Maximum pressure
200:Primer type
160:Case length
85:Parent case
33:
24:
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1304:Special Weapons
1298:Special Weapons
1292:Shooting Times,
1252:
1247:
1240:
1236:
1226:
1224:
1223:on 27 June 2018
1215:
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1192:"Војска Србије"
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1050:Wayback Machine
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766:6.5mm Creedmoor
724:
689:
574:
559:
547:M80 7.62mm NATO
512:
480:muzzle velocity
440:STANAG magazine
436:
420:Radford Arsenal
350:rifle cartridge
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36:
22:
17:
16:Rifle cartridge
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536:kinetic energy
524:7.62×51mm NATO
511:
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500:5.56×45mm NATO
452:.223 Remington
435:
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369:North Carolina
354:AR-15 platform
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1464:5.45×39mm PSP
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1445:6.5mm Grendel
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1198:on 2016-07-24
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1137:
1131:
1117:on 2016-08-27
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1025:
1011:on 2019-08-13
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947:
944:Outdoor Hub,
941:
926:
925:"6.5 Grendel"
920:
912:
906:
902:
898:
892:
878:on 2016-01-08
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734:.224 Valkyrie
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178:
176:Case capacity
174:
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54:United States
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49:
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43:
39:
32:
27:
23:6.5mm Grendel
20:
1444:
1321:
1315:
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1297:
1291:
1285:
1280:
1274:
1268:
1262:
1256:
1250:Bibliography
1237:
1225:. Retrieved
1221:the original
1211:
1200:. Retrieved
1196:the original
1186:
1172:
1158:
1144:
1130:
1119:. Retrieved
1115:the original
1105:
1093:
1081:
1069:
1061:
1056:
1038:
1024:
1013:. Retrieved
1009:the original
999:
988:. Retrieved
978:
967:. Retrieved
965:. Gun Digest
940:
929:. Retrieved
919:
900:
891:
880:. Retrieved
876:the original
866:
854:. Retrieved
829:. Retrieved
825:the original
815:
728:.220 Russian
696:Zastava Arms
690:
681:
658:Lapua FMJBT
581:Bullet mass
551:
521:
485:
437:
410:. It was a
405:
393:
362:
315:
313:
89:.220 Russian
897:Lewis, Jack
700:Zastava M19
543:penetration
538:and better
510:Performance
458:for higher
448:5.56mm NATO
400:Old English
377:7.62mm NATO
305:Source(s):
203:Small rifle
1449:.30 Walker
1202:2016-07-26
1121:2016-07-26
1064:. pg 37-38
1015:2012-02-18
990:2021-06-04
969:2021-06-04
931:2021-06-04
882:2016-01-04
831:2015-10-22
808:References
540:body armor
468:ammunition
373:supersonic
91:(5.6×39mm)
1388:5.45×39mm
1373:7.62×39mm
787:7.62×39mm
704:M70 rifle
496:6.5mm PPC
492:7.62×39mm
412:trademark
403:epic poem
398:from the
358:6.5mm PPC
347:precision
1515:Category
1440:6 mm PPC
1403:.366 TKM
1046:Archived
899:(2007).
856:March 8,
771:6.5×42mm
722:See also
528:terminal
488:5.6×39mm
466:-loaded
387:and the
236:Velocity
72:Designed
64:Designer
1496:6mm ARC
1435:.22 PPC
755:6mm ARC
749:wildcat
740:6mm PPC
549:round.
478:), its
464:factory
428:Hornady
407:Beowulf
345:, high-
331:Houston
327:armorer
1491:6mm AR
1398:9×39mm
1227:14 May
907:
745:6mm AR
692:Serbia
673:1,213
667:2,450
650:1,222
644:2,620
627:1,166
621:2,700
472:grains
460:powder
381:recoil
343:recoil
337:) and
318:is an
239:Energy
716:Užice
604:ft/s
598:ft/s
444:AR-15
424:SAAMI
339:Lapua
335:Texas
45:Rifle
1229:2017
905:ISBN
858:2013
676:370
670:750
664:9.3
661:144
653:372
647:800
641:8.0
638:123
630:355
624:820
618:7.0
615:108
607:m/s
601:m/s
504:bolt
494:and
456:case
314:The
181:gr H
75:2003
41:Type
592:gr
367:in
1517::
953:^
840:^
714:,
595:g
430:.
391:.
360:.
333:,
1364:e
1357:t
1350:v
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885:.
860:.
834:.
476:g
450:/
187:)
185:O
183:2
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