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May 27th, 2007

6BRX Barrel Life and Long-Term Accuracy

For the past year, Forum member John Skowron (John708) has been campaigning a 6BRX, built by Nat Lambeth (RustyStud). You’ll find the full history of John’s 6BRX project in this Forum Thread. With this rifle, John was the overall 1000-yard winner at Butner in February 2007.

6BRX 6BR improved

The 6mm BRX is based on the 6mm BR cartridge. The shoulder is moved forward, but the shoulder angle and case taper is the same as the parent cartridge. This way you can use standard dies for most purposes (although it is a good idea to have a custom full-length die so you can size the entire case body). Many of our readers have been interested in the 6mm Improved (BRX, Dasher etc.), but they’ve wondered about case durability and barrel life. John has answers for those questions:

6BRX Case Life
Case life running the Berger 105s at 3000+ fps is 14-15 reloads. Brass was discarded when the primer pockets became too loose. The 6BRX brass OAL after fireforming is 1.56″. Max OAL for the 6BRX is 1.58″. The brass never stretched enough to require trimming before discard. Anouther plus for the 6BRX and Lapua brass.

By the way don’t even bother with Remington-brand 6BR brass. The primer pockets were so loose after my standard fire-forming load I had to trash all the cases. Stick with the good stuff, Lapua.

6BRX Barrel Life
I now have 2570 rds through my 6mm BRX. I was just at the range today doing an accuracy test. I shot two 10-shot groups at 100 yards, one with 105gr Bergers, and the other with 107gr Sierras. Both were identical 0.44″ groups. Not bad for a rifle with 2500+ rounds through it.

Achieving this barrel life goal pretty much completes my 6mm BRX project. I’m now shooting a cartridge that has the same or better barrel life than the 260 Rem, it’s more accurate, with essentially equal wind drift. I’ll continue to post updates on barrel life. I think this barrel will last for another several hundred rounds.

Heavier Bullets
As far as shooting the DTAC 115s goes, I’ve temporarily abandoned that effort. The 105 Bergers, running 3050-3100 fps, give up very little wind drift to the 115s running at 2900-2950 fps. You might potentially get 3000 fps with the 115s using H4350 and throating the chamber to seat the bullets out. But since I very happy with the 105s and the way they’re performing at long range, I’m not going to change for now. [Editor’s Note: The Berger 105s in John’s latest reports were lot #559, from Berger’s new die.]

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May 27th, 2007

Great Source for Used Precision Rifles, Scopes, Dies, Tools

How would you like to walk into a gunstore and find hundreds of quality, custom-built BR rifles, dozens of high-end scopes at 30-50% off new prices, plus mountains of premium reloading tools and accessories at bargain prices? Well, this isn’t a fantasy. Such a place really exists–it’s Bob White’s Shooters’ Corner in Lake Hopatcong, NJ, (973) 663-5159.

shooters corner the list

Bob maintains “The List” on the internet, an amazing inventory of Benchrest and Varmint rifles, plus assorted gear and accessories. And Bob is always adding new inventory. Here are a few samples (all subject to prior sale):

B6. 6PPC Light Varmint, Stolle Panda R/L action; 4 Krieger bbls w/.262 nk, 1 under 200 rnds, 3 others 1500-3000 rnds; Edge Mod fiberglass glue-in stock; Kelbly 3oz trig; Gunsmith: Hammond Rifles; 98% cond. This rifle has shot screamer grps, a teen agg & has won rookie of the year. $2375. w/best bbl; add’l bbls $100. ea.

B4. 30 Goodling 1000 Yd Hvy, 600/1000 yd gun in Imp 300 Wby Mag cal, Bat 8½” Mod “M” w/ejector R/L action; 30” Broughton 10”T bbl, 5R rifling, 1.35 dia w/.334 nk under 300 rnds; Shehane Tracker (African Obeche Lam) stock w/pillar glassbedding; Jewell 2oz trig; includes Bat 30MM scope mnts, custom Goodling dies & 50 loaded ctgs; Gunsmith: Sid Goodling; 99% cond. A sharp potential long range winner at a bargain price. $2395. ($3400. invested)

B21. 6PPC Light Varmint, Viper R/L action; 2 Shilen bbls w/.262 nk under 500 & c.275-300 rnds; Bruno/McMillan fiberglass glue-in stock; Jewell 2oz trig; Gunsmith: Stevens Accuracy; exc cond. A competitive rig using state of the art components at a good price. $2099.

V2. 6BR Remington 40X LH, Mod 40X-KS L/L action; factory 27¼” SS bbl w/10” twist .266 nk under 50 rnds; McMillan fiberglass stock w/factory glassbedding; 40X 2½ lb trig; includes Leupold 1” mnts w/lapped rings & cases; as new w/factory papers in orig case. An excellent caliber & shooter about new. $1895. (a $2300. value)

V16. 6MM Rem Custom Varmint, Rem 700 R/R action converted to single shot, action completely trued w/oversize recoil lug; Shilen SS match 26” bbl w/muzzlebrake c.300 rnds; factory lam wood bolt-in stock, pillar glassbedded w/filled magazine area; Jewell 8oz trig w/safety; inclu loaded rnds & load data; Gunsmith: B. White; 98% cond. An extremely accurate varminter which lets you see your hits. $949. (over $1850 invested)

V25. 22 BR Carry Varminter, Rem 700 action, Shilen SS match bbl 24” cryoed #4 contour w/.247 nk c.400 rnds, factory wood stock w/pillar glassbedding, factory Rem trig 2lb, inclu Leupold scope mnts & c.100 loaded ctgs, Gunsmith: Kelbly, Inc, exc cond. This 7¾ lb beauty gives 4100 fps w/40 grain bullets, $795, (Redding comp die set avail, $125.)

Plus there are listings for scopes, rests, dies, bullet-making gear, even reloading books and magazines. If you are interested in a new precision BR or Varmint rifle, or you’re looking for a great deal on gear, check out “The List”.

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