Since 1969

The 6mm ARC (Advanced Rifle Cartridge)

Hornady Announces - The 6mm ARC (Advanced Rifle Cartridge) 308 Performance in an AR-15 Package

Midsouth is proud to help Hornady announce "The bridge between the large cartridge and the small cartridge" - the 6mm ARC. The 6mm Advanced Rifle Cartridge (ARC) was tested, selected and fielded by a specialized group within the U.S. DoD for its multipurpose combat rifle program. This versatile cartridge does much of what larger cartridges can and everything that smaller cartridges can’t. Designed to meet the needs of the world’s toughest critics, the 6mm ARC utilizes efficient, high-BC bullets to deliver performance from the AR-15 platform. Commercial 6mm ARC offerings that we offer below will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications.

We've compiled as much information, from as many sources as we can for you to help inform you about the 6mm ARC. We're excited to see what this cartridge has to offer our military, law enforcement, competitors, hunters and shooting enthusiuasts! 6mm ARC Ammo is now in stock and for sale, as well as 6mm ARC Die Sets. Enjoy! - Midsouth Shooters

Hornady 6mmARC Product Announcement PDF:
Click Here to see Hornady's Product Announcement PDF, Lot's of good info here for the 6mm Advanced Rifle Cartridge (6mm ARC).

Advanced, Versatile, Efficient, Effective

What Sets the 6mm ARC Apart? Here is a Cartridge Comparison:

308 Win
• The 6mm ARC delivers substantially less recoil allowing shooters to spot their own shots.
• The AR-15 platform features a higher magazine capacity.
• The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo).

• The 6mm ARC achieves substantially better ballistics than the 223/5.56. It delivers less drop, less wind deflection and the ability to shoot accurate groups at much greater distance (1000+ yds).

224 Valkyrie
• The 6mm ARC gives hunters the ability to successfully hunt varmints and deer.
• The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments.

6.5 Grendel
• The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice.

6.8 SPC
• The 6mm ARC has more match bullet options and is a better long-range performer.

The Current Selection of 6mm ARC Products:

6mm ARC Ammo
6mm ARC Match™ Ammunition
6mm ARC 108gr ELD® Match Ammo (003-81608)

6mm ARC Hornady Black® Ammunition - In Stock, Available Now
6mm ARC 105gr BTHP Match™ Black™ Ammo (003-81604)

6mm ARC Precision Hunter® Ammunition
6mm ARC 103 gr ELD-X® Precision Hunter® Ammo (Available Fall 2020)

6mm ARC Brass Cases
Hornady Unprimed Brass Cases
Brass Case 6mm ARC Unprimed Brass Cases (50ea)(003-86287)

6mm ARC Mod Cases
LOCK-N-LOAD® Modified "A" Case
LOCK-N-LOAD® 6mm ARC Modified Case (005-A6MMA)

Die Sets
Series III Two-Die Rifle Die Set (Hornady)
Two Die Set 6mm ARC (.243) (005-546251)

Full Length Series III Sizing Die (Hornady)
6mm ARC (.243) Full Length Series III Sizing Die (005-046262)

Bullet Seating Die: (Hornady)
Bullet Seater Die for 6mm ARC (.243) (005-044244)

Neck Sizer Die With Zip Spindle: (Hornady)
6mm Short Neck Sizer Die With Zip Spindle (005-046047)

AR Series Small Base Taper Crimp 2 Die Set (RCBS)
6mm ARC AR Series Small Base Taper Crimp 2 Die Set (044-28007)

Shell Holders, Shell Plates, Pilots, Collets
Shell Holder #6
Hornady Shell Holder #6

Shell Plate #6 for Hornady AP Press
Hornady Shell Plate #6

Case Trimmer Pilot for Hornady CamLock Trimmer
Hornady CamLock Trimmer Pilot #3

Bullet Puller Collet for Hornady Cam-Lock Bullet Puller
Hornady Cam-Lock Bullet Puller Collet #3

See Midsouth's Bullet Selection for the 6mmARC
.243 Diameter (6mm) Hornady Bullets for the 6mmARC

See All of Midsouth's .243 Diameter Bullet Selection
.243 Diameter (6mm) Bullets

Reloading Data from Hornady Manufacturing

6mm ARC Load Data: 58gr Gas Gun
6mm ARC Load Data: 58gr Bolt Gun
6mm ARC Load Data: 108-110gr Gas/Bolt Gun

As well, check the Hornady Reloading App as well.

Gun makers who are producing the 6mm ARC:
We (Midsouth Shooters) will be announcing soon a collaboration with several high quality manufacturers our own barrel and upper offerings. Here are some other manufacturers that already are working on the 6mm ARC Rifles: APF Armory, Barrett, Brownells, Christensen, CMC Triggers, CMMG, GAP, Geissele, Howa, Lantac, Mossberg, NEMO, Noveske, Odin Works, Proof, Radical Firearms, Unitah, Wilson Combat

View The 6mm ARC SAAMI Specs:
Click Here to see the recently published SAAMI Specs for the 6mm Advanced Rifle Cartridge (6mm ARC)