November 13th, 2011

New 125 GR Flat-Based MatchKing from Sierra Bullets

Sierra has introduced a new .30-caliber flat-based bullet, the 125 grain OTM (open-tip match HP) MatchKing, item #2121. This unique flat-based bullet was designed in conjunction with AAC (Advanced Armament Corporation) and Remington for the new .300 AAC Blackout (BLK) cartridge. The bullet length is tailored to correctly fit and feed from AR-15 platform magazines. The projectile’s Open Tip is pinched for greater uniformity in the same manner as Sierra’s Palma Competition bullets. The G1 BC is surprisingly high for a relatively short, flat-based bullet: 0.310 (below 1600 fps), 0.330 (1,600-2,000 fps), 0.338 (2000 – 2650 fps), and 0.349 (above 2650 fps). Though it will perform well at low velocities in the .300 BLK, this bullet can handle the higher velocities produced by common .30 cal mid-sized cartridges, such as the .30-30.

Sierra 125 gr Matchking

Sierra 125 gr MatchkingThe new 125gr Matchking is now being loaded in factory ammo, including Remington’s Premier Match, which retails for $34.00 for a 20rd box. These 125gr bullets are available now from MidwayUSA for $34.99 per hundred. Sierra offers five other bullets in the same general weight range that may work well in the .300 Whisper or .300 AAC Blackout:

  • .308 dia. 110 gr. FMJ Pro-Hunter Item 2105
  • .308 dia. 110 gr. HP Varminter Item 2110
  • .308 dia. 110 gr. RN Pro-Hunter Item 2100
  • .308 dia. 125 gr. SPT Pro-Hunter Item 2120
  • .308 dia. 135 gr. HPBT MatchKing Item 2123
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