180 gr interbonds
- Thread starter buckshot
- Start date
1
147_Grain
Guest
The Hornady InterBond is an outstanding round and so is Nosler's AccuBond, which is more aerodynamic. I.E. 30 caliber 180-gr. AccuBond has a BC of .509 versus .480, enabling more downrange energy on target.
Moreover, a Nosler Technician recently reported that in comparison to the InterBond, the AccuBond not only expands more than the InterBond (providing more shock), it also penetrates more by shedding shrapnel along the way to the point where the slightly smaller bullet actually penetrates more than the larger mushroom on the InterBond.
Average AccuBond retained weight is confirmed at about 66% and Hornady claims the InterBond averages around 92% - 94% with results from hunters reported at around 85%.
The AccuBond's design took 4 1/2 years in the making.
I like this bullet because it provides excellent expansion and its unique ability to slowly shed weight enables it to penetrate more than the competition, so you get the best of both worlds.
With that said, both bullets holdup and penetrate better than their Swift counterpart; I wouldn't feel inferior with using either one on Big Game.
Steve
Moreover, a Nosler Technician recently reported that in comparison to the InterBond, the AccuBond not only expands more than the InterBond (providing more shock), it also penetrates more by shedding shrapnel along the way to the point where the slightly smaller bullet actually penetrates more than the larger mushroom on the InterBond.
Average AccuBond retained weight is confirmed at about 66% and Hornady claims the InterBond averages around 92% - 94% with results from hunters reported at around 85%.
The AccuBond's design took 4 1/2 years in the making.
I like this bullet because it provides excellent expansion and its unique ability to slowly shed weight enables it to penetrate more than the competition, so you get the best of both worlds.
With that said, both bullets holdup and penetrate better than their Swift counterpart; I wouldn't feel inferior with using either one on Big Game.
Steve
1
147_Grain
Guest
B
BCHunter
Guest
If you go to the Federal Web Site, they have an interactive ballistics table that is fantastic. You can get all the info on Accubond bullets on any round.
1
147_Grain
Guest
Buckshot:
Penetration
An 180-gr. AccuBond traveling at 3,000 fps MV should penetrate between 16" - 18" depending on what material it hits. This is according to Nosler's tests, which use a special mix of gluey elastic-like sticky substance that simulates an animal's muscles and internal organs. This substance is much much tougher than gelatin, which AccuBonds regularly penetrate over 20" in!
Velocity & Energy
According to a Calculator on www.Handloads.com , a 180-gr. AccuBond (in Utah at 4,500' above sea level) starting at 3,000 fps MV would be traveling 2,567 fps at 300 yards with a whopping 2,633 ft. lbs of energy! This basically means at 300 yards your round would have about the same hammer-effect as a .308 Win at the muzzle. The BC of an 180-gr. AccuBond is ".509".
500 yard velocity would be 2,258 fps and the bullet's energy would still be fairly high at 2,258 ft. lbs.
FYI - The Calculator also says 3,000 fps MV of the AccuBond would still have 1,502 ft. lbs of retained energy at 790 yards! Note: Winchester's and Federal's 2005 Ammo Catalogs have similar figures to those of the Calculator.
Penetration
An 180-gr. AccuBond traveling at 3,000 fps MV should penetrate between 16" - 18" depending on what material it hits. This is according to Nosler's tests, which use a special mix of gluey elastic-like sticky substance that simulates an animal's muscles and internal organs. This substance is much much tougher than gelatin, which AccuBonds regularly penetrate over 20" in!
Velocity & Energy
According to a Calculator on www.Handloads.com , a 180-gr. AccuBond (in Utah at 4,500' above sea level) starting at 3,000 fps MV would be traveling 2,567 fps at 300 yards with a whopping 2,633 ft. lbs of energy! This basically means at 300 yards your round would have about the same hammer-effect as a .308 Win at the muzzle. The BC of an 180-gr. AccuBond is ".509".
500 yard velocity would be 2,258 fps and the bullet's energy would still be fairly high at 2,258 ft. lbs.
FYI - The Calculator also says 3,000 fps MV of the AccuBond would still have 1,502 ft. lbs of retained energy at 790 yards! Note: Winchester's and Federal's 2005 Ammo Catalogs have similar figures to those of the Calculator.
H
hunterofelk
Guest
I used the 7mm 154gr. Interbond on Gemsbok, Kudu, Zebra, Springbok and Hartebeest and was satisfied with the performance of the design. I only recovered a slug from the Gemsbok and it had a nice mushroom shape and no seperation. All shots were under 150 yards. My only beef with the manufacture is a differance of .005" with the ogive of the bullet. About 25 bullets in my box of 100 had this variation. This didn't make a big problem, but you'd think Hornady would control this aspect better.
That Nosler tech. sounds like he's putting a positive spin on the expectation that their bullet will break up and send pieces of lead and copper everywhere.
That Nosler tech. sounds like he's putting a positive spin on the expectation that their bullet will break up and send pieces of lead and copper everywhere.
I shot a bull moose last season with 180 grn Interbonds at 167 yards. They had a muzzle velocity of 3450 fps. Both bullets literally hit the same hole and I recovered them in the opposite shoulder side by side. I think their retained weight was around 60%. It took a lot of loads, powder and work to get a group I was satisfied with. If I draw an elk license this year, I'm going to try some Accubonds to see if I can tighten my group up at all. By the way, the BC of each is miniscule if you're talking field performance. According to my ballistics software, for my load and elevation, there is only a difference of 36 fps at 450 yards. I'l let you figure the difference in foot pounds of energy as it's insignificant.
1
147_Grain
Guest
I agree!
Not much difference in the field between the 'Bonds - that is InterBond and AccuBonds.
Not much difference in the field between the 'Bonds - that is InterBond and AccuBonds.
buckshot
Active Member
- Messages
- 382
LAST EDITED ON Jun-16-05 AT 04:20AM (MST)[p]Thanks everyone for your reponses. Still working up a load. But some how or maybe it was over time but my leupold has gone south on me. Just shiped it back. I hope its the scope and not the gun. Last year it shot fine this year it won't shoot anything factory or handload even the factory I have been useing for years.
Thanks
buckshot.
Thanks
buckshot.
