Here’s good news for AR shooters looking for a 6mm option. 6mm HAGAR brass is now available from Hornady, and it looks like this brass is quite good. Those of you who follow the National Matches at Camp Perry know that Carl Bernosky won multiple National High Power Championships shooting the 6mm HAGAR cartridge from an AR Platform rifle. The 6mm HAGAR was derived from the 30 Remington cartridge, and it has the same case head diameter as the 6.8 SPC, also a 30 Remington derivative.
The 30°-shoulder 6mm HAGAR is just about the longest 6mm cartridge that can be loaded in a two-column AR15 magazine and still feed reliably. The advantage of the 6mm HAGAR is that it offers enough “boiler room” to drive 6mm bullets to impressive velocities, yet it can still fit and function well in AR mags. But note, if you are restrained to a mag-length COAL, you can pretty much rule out using 95-108 grain bullets, because they would have to be seated too deep in the HAGAR case. That actually means that the “advantage” of the 6mm HAGAR’s case capacity is lost to some degree — at least when using long, heavy bullets. On the other hand, when loaded with shorter varmint and hunting bullets, such as Hornady’s 75gr V-Max, you can load to 2.260″ mag length and use nearly all of the HAGAR’s case capacity.
For this reason, we think the 6mm HAGAR may ultimately prove more popular with varminters than with the High Power crowd (at least those who do not want to modify their mags to allow heavy 6mm bullets to be seated longer.) If you’re using shorter bullets, you can fill up the HAGAR case and drive 60-75 grain projectiles at serious velocities.
6mm HAGAR Basics
The 6mm HAGAR uses a 6.8 SPC AR-15 bolt and 6.8 SPC magazines and a conventional upper receiver, barrel extension, and bolt carrier assembly. Typically this cartridge has been used for varminting, hunting, and High Power competition. We think the 6mm HAGAR should be a kick-ass cartridge for varminters shooting ARs with shorter varmint bullets.
On the other hand, because the 1.775″-long HAGAR case takes up so much space in an AR magazine, the 100-108gr bullets aren’t well-suited for mag-fed 6mm HAGAR applications (unless the mags are modified). These same 100-108 grainers DO work well in single-load situations provided the chamber is properly throated for such bullets.
NOTE: Some High Power shooters have slotted AR mags to allow loading of long bullets up to 2.340″ max, i.e. beyond normal mag length. See modified magazine at right.
Hornady’s 6mm HAGAR Brass Is Shipping Now
Until recently, 6mm HAGAR brass was hard to obtain. Cases could be formed from 30 Rem brass, but this was a tedious, time-consuming process. Now, however, quality 6mm HAGAR brass is available from Hornady. An initial run of 150,000 pieces of 6mm HAGAR brass was produced. Vendors who got some of the first run of HAGAR brass include AR-X Enterprises LLC (Robert Whitley) and Creedmoor Sports.
Robert Whitley reports: “We’ve received our first shipment of factory 6mm HAGAR brass from Hornady. This Hornady 6mm HAGAR brass is hard at the base but well annealed at the neck. The brass has a small primer pocket and a small flash hole. All of these features enable the brass to hold pressures well and to remain serviceable and usable for multiple re-loadings. Internal H20 capacity of the brass case is right around 37.0 – 37.5 grains of water weight. With its larger case capacity the 6mm HAGAR can accurately push the bigger 105gr to 108gr bullets in the range of 2800 fps (when these bullets are seated long and single-loaded, not mag-fed). However, because of its rather long case length (1.775″) relative to max mag-fed cartridge OAL of 2.260″, the 6mm HAGAR may work best with the smaller and lighter 6mm bullets (75gr and under).” [Editor: Do the math … 2.260″ minus 1.775″ leaves only 0.485″ clearance for a bullet to extend beyond the case mouth.]
Loading Long Bullets to Mag-Limited 2.260″ COAL Is Neither Practical Nor Wise:*
6mm HAGAR Brass, Dies, Mags and Complete Uppers Offered
Along with 6mm HAGAR brass (at $84.00 per hundred), ARX Enterprises has 6mm HAGAR dies, and magazines. ARX Enterprises is also building complete match and varmint AR-platform uppers chambered for the 6mm HAGAR. You can find out about all these products on Robert Whitley’s 6mm HAGAR web page. To order 6mm HAGAR uppers, die sets, brass, magazines and related products contact:
AR-X Enterprises, LLC (Attn: Robert Whitley)
199 North Broad Street
Doylestown, PA 18901
(215) 348-8789
e-mail: rcw3 [at] erols.com
*Left = 75gr Hornady V-Max at 2.260″ OAL (bullet diameter at mouth of case is .243″.)
Left Center = Berger 100gr BT at 2.260″ OAL (bullet diameter at mouth of case is only .225″.)
Right Center = Sierra 107gr MatchKing at 2.260″ OAL (bullet diameter at mouth of case is only .222″.)
Right = Hornady 105gr A-Max at 2.260″ OAL (bullet diameter at mouth of case is only .225″.)
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For those who enjoy reactive targets that explode with a big bang and a cloud of smoke, binary compounds are available from a variety of vendors, including Midsouth Shooters Supply.
These binary compounds, when mixed together, will explode when hit by a projectile of sufficient velocity. When used with proper safety precautions, binary target compounds such as Tannerite and Shockwave can create crowd-pleasing “special effects” at fun shoots. (But be sure to place the target at safe distances and never encase the exploding targets inside boxes, cans or other containers which can create flying shrapnel.) The video below shows the inventor of Tannerite, Daniel J. Tanner, hitting a 1-pound Tannerite target at 500 meters. Projectile was a .308 caliber 180gr Hornady HPS.
Federal Laws Apply Once You Mix the Binary Elements!
While separated binary explosives are currently legal to own and use (with minimal restrictions), there are some important legal considerations involved in the storage, distribution, and use of MIXED binary explosives. Individuals, shooting club directors, and range operators must ensure binary explosives are used in compliance with all local, state, and Federal Regulations. These issues are covered in a recent notice from the Bureau of Alcohol, Tobacco, Firearms & Explosives (ATF). Anyone who plans to use Binary Exploding target compounds should read this notice carefully:
ATF Notice Re Binary Exploding Target Compounds
ATF has recently received inquiries about the applicability of the Federal explosives law to binary exploding targets.
The components of these binary targets (typically an oxidizer like ammonium nitrate and a fuel such as aluminum or another metal-based powder) are not separately listed on the List of Explosive Materials and do not meet the definition of “Explosives” in 27 CFR 555.11. Therefore, ATF does not regulate the sale and distribution of these component chemicals, even when sold together in binary target “kits.”
However, when the binary components are combined, the resulting mixture is an explosive material subject to all requirements of 18 U.S.C. Chapter 40 and 27 CFR Part 555. Accordingly, all such exploding targets must be stored in an explosives storage magazine as prescribed in the regulations found in 27 CFR, Part 555, Subpart K — Storage, unless they are in the process of being used.
Further, mixing the binary components together constitutes manufacturing explosives. Persons manufacturing explosives for their own personal, non-business use only (e.g., personal target practice) are not required to have a Federal explosives license or permit. However, individuals or companies must obtain a Federal explosives manufacturing license if they intend to engage in the business of manufacturing explosives for sale or distribution, or for their own business use. Such business uses include manufacturing binary targets for demonstration or product testing purposes.
Licensed manufacturers of exploding targets are subject to Federal recordkeeping requirements and must comply with regulations concerning records of manufacture or acquisition, distribution, exportation, use, inventory and daily summaries of magazine transactions found in 27 CFR, Part 555, Subpart G—Records and Reports.
In addition, a Federal explosives license or permit is required for the transport of explosive materials. Therefore, a person must obtain a Federal explosives license or permit if they mix binary exploding targets and subsequently transport them to a shooting range or to any other location. For further information, please contact the Explosives Industry Programs Branch at eipb [at] atf.gov or (202) 648-7120.
Tannerite Informational Video — Shooting Demos Start at 6:34 Mark
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In our Shooters’ Forum you’ll find a thread in which readers can post photos of their “pride and joy” — their favorite rifle. You’ll find a wide range of guns, from “big boomers” to .17-caliber varminters. Here are some of our favorite entries in the “Pride and Joy” Gallery.
Brad’s 6CM Long-Range Match Rifle
Chambered in the 6mm Competition match cartridge, this handsome rig features a Surgeon RSR Action, Bartlein Barrel, and LRB stock. Barrel work was done by Chad Dixon at LongRifles, Inc. and paint by AT Custom Painting. Brad says: “If you need a custom paint job, Adam is your man. His work is amazing and prices can’t be beat.”
The Bear’s Barbed-Wire Barnard
BarryO, aka ‘the Blue-eyed Bear’, posted his beautiful 6mm Dasher, with its unique barbed wire 3D finish. (There’s a story behind that design.) This rifle was smithed by John King in Montana, with stock bedding work by Leo Anderson. The gun features a Barnard ‘P’ action (with trigger), and 28″ Broughton 5C fluted barrel with VAIS muzzle brake. The Barnard sits in a Tom Manners carbon fiber BR stock decorated with amazing graphics by Mad Shadow Custom Paint.
Sebastian’s Radical Swallowtail 6PPC
Sebastian Lambang is the designer and builder of SEB Coaxial Rests. He’s a smart, creative guy, so you knew when he designed a short-range benchrest stock it would be something special. It needed to be lightweight, yet very rigid. Using “out of the box” thinking, Seb employs a truss-style structure to provide great strength with minimal weight. The rear section is equally radical. There are two splayed “keels” in the rear, forming what this Editor calls a “swallowtail” rear design. Others have called it a “catamaran buttstock.” Below is a side-view of the prototype SEB stock before painting.
Flaming PPC from Oz
ChrisT, a diesel fitter from Australia, submitted this image of his stunning flame-painted PPC. Whoever did those flames is a true artist — the gun really looks like it’s on fire. This rifle features a Stiller Viper action, Speedy (Robertson) BRX stock, and Maddco (Australian) 14-twist barrel chambered in 6PPC.
And here are a couple more cool BR rifles posted on the Forum. First, from Walter in Belguim, is the “Lion of Flanders”, an Anschutz BR 250, with Kelbly’s stock and matching SEB front rest. Walter did the paintwork himself:
And here is Mark Walker’s amazing Zebra-skin BR rifle. Now that will turn heads on any bench:
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Here’s good news for AR shooters looking for a 6mm option. 6mm HAGAR brass is now available from Hornady, and it looks like this brass is quite good. Those of you who follow the National Matches at Camp Perry know that Carl Bernosky won multiple National High Power Championships shooting the 6mm HAGAR cartridge from an AR Platform rifle. The 6mm HAGAR was derived from the 30 Remington cartridge, and it has the same case head diameter as the 6.8 SPC, also a 30 Remington derivative.
6mm HAGAR Basics
For those who enjoy reactive targets that explode with a big bang and a cloud of smoke, binary compounds are available from a variety of vendors, including 
