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357 Magnum 125 Grain Bonded Jacketed Hollow Point Box of 50

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Price: $34.60
Out of stock
Item Number: 121
Manufacturer: Underwood Ammo
Manufacturer Item No: 121

Quantity Discounts

5 to 9$33.91
10 to 19$33.56
20 or more$32.87

Built to the tightest tolerances for peak performance rivaling and sometimes surpassing handloads in many guns. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.

Speer Bonded bullets were designed to meet stringent law enforcement standards for dependability and performance. They features Uni-Cor technology which firmly bonds the core to the jacket and virtually eliminates bullet failures. The hollow point is created after the jacket is built. This helps produce maximum expansion and weigh retention while improving bullet feeding. A great personal defense bullet.

Technical Information

  • Caliber: 357 Magnum 
  • Bullet Weight: 125 Grains
  • Bullet Style: Speer Bonded Jacketed Hollow Point
  • Case Type: Brass

    Ballistics Information:
  • Muzzle Velocity: 1700 fps
  • Muzzle Energy: 802 ft. lbs.

Ruger SP101  3" Barrel

  • Muzzle Velocity: 1500 fps

Ruger GP100  6" Barrel

  • Muzzle Velocity: 1700 fps

Product Reviews

(11 Ratings, 9 Reviews) Average Rating:
This ammunition shot flawlessly...
Rufus Yazzie (Farmington, NM) 8/8/2013 4:31 PM
I had some old Underwood 357 Magnum ammo which was loaded with what appears to be Winchester bullets and the newer product. My Coonan .357 Mag had no problems with them using the standard barrel and the 6 inch barrel. One exception, the older ammunition made a huge fireball.
coonan 357 mag
dennis tifft (windsor, NY) 5/23/2013 6:50 PM
just finished shooting these 125 gr hollow point bullits out of 3 different handguns my (1911 coonan average was 1684 fps)(gp100 with 6 inch barrel was1581 fps) and last but most punishing was out of my (m&p 340 j fram s&w was 1217 fps,was supprised with the little 1 7/8 barrel but that was all i was going to shoot out of that 13.2 oz gun very abusing next i,ll try the 38+p
Very Stout Load
Joseph Graham (San Jose, CA) 11/23/2012 6:32 PM
This round feels very strong in my 3" barreled 686. It is obviously more powerful than most off the shelf .357's. Great ammo for bear defense. Would get 5 stars, but the muzzle flash was huge. Fireballs are impressive at the range, but not good for self defense at night due to flash blindess.
J Welle (Wisconsin) 10/8/2012 9:02 PM
1672fps avg from my ruger blackhawk 6" and 2350fps from my 18" M92 Rossi! Very accurate to boot!
Jason Carpenter (Springfield, KY) 8/7/2012 2:23 PM
I absolutely love it, I wished that I could chronograph how fast it is out of my S&W 686 PP with a 6" barrel! Hearing protection is definitely a must but since my magnum is ported it is loud anyway! Very, very accurate I will suggest this ammo to everyone your prices are excellent!
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