Hammerhead Dual-Caliber, Multi-Discipline Bench Gun
We first ran this story a couple seasons back. Since they we’ve received many questions about this gun, so we thought we’d give readers another chance to learn about this truly innovative, switch-barrel “convertible” rifle. This gun works for both short-range and long-range benchrest matches.
You interested in a really wild, innovative bench gun that can shoot both short-range and long-range matches? Check out Seb Lambang’s latest “do-it-all” rifle. It’s a switch-barrel rifle combining two very different chamberings: 6 PPC and .284 Winchester. With that caliber combo, Seb’s covered from 100 yards (LV/HV mode) all the way out to 1000 (LR Light Gun mode). But the dual chambering is not the rifle’s only trick feature. Exploiting the new long-range benchrest rules, Seb has fitted a 3″-wide, flat rear metal keel to the buttstock. That counter-balances his 30″-long 7mm barrel, improves tracking, and adds stability. Seb built the stock and smithing was done by Australian gunsmith David Kerr.
Detachable Hammerhead Wing Section Plus Fat-Bottom Keel
To further reduce torque and improve tracking, the stock features an 8″-wide, detachable fore-end fixture. This “hammerhead” fore-end section has extended “wings” on both sides, making the rifle super-stable. The hammerhead unit can be removed, leaving the stock 3″ wide for use in registered benchrest matches where 3″ is the maximum width. The photos below show Seb’s gun in .284 Win Long-Range (LR) Light Gun mode.
Yes This Rig Shoots … In Both Configurations, Long-Range and Short
Seb has already used his switch-caliber, switch-barrel rig successfully in competition. Seb tells us: “The gun shot and tracked real well either in 6 PPC LV/HV mode or in .284 Win LG mode. I love it! With this gun I placed Top 10 for the Two-Gun at the Harry Madden Championship in Brisbane, Australia just a few days ago and took the silver medal for the 500m Flyshoot with the .284 Win on the next day. So who says a switch-barrel rifle can’t (or doesn’t) work?” And get this, Seb finished the stock just four days before the Brisbane match. He glued-in the action the evening before the match and shot it the next day in competition. Pretty impressive we’d say….
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6 PPC and .284 Win Convertible Rifle Specifications |
Seb Lambang — Indonesian Innovator
If you don’t know already, Seb Lambang is the designer/builder of the innovative SEB Coaxial rests. These are some of the best joystick rests on the market. The latest version, the SEB Neo Rest, is a brilliant design that folds flat for transport, yet offers extended vertical and horizontal travel and a rest top that can adjust from roughly 2″ wide to over 6″ in width. This Editor uses a SEB Neo for both bench and F-Class shooting and it is my favorite joystick rest. Rest in photos is a SEB Neo MAX.
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- Sunday GunDay: Seb’s Hammerhead Dual-Discipline Rifle
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- Spotlight: Ron Boyd’s Light Gun and Henry Pasquet’s Heavy Gun
- Rare Vintage BR Rifle for Sale
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Tags: .284 Winchester, 6 PPC, Benchrest, Hammerhead, Seb Lambang
Looks great SEB.
Thank you sir…. it was just my effort to use one action, one bolt & one stock for different matches.
I have shot it for the first time in a 1,000 yds match with good result, too. (I could have won the match if I didn’t incidentally mix my cartridges/loads on the second target/relay!…one lesson learned).
I would also try it for F-Open match next time, using the .284Win mode + put more weight on the rear bottom of the stock.
Best Regards,
seb.