Top 3 Long Range Calibers! W/@PrecisionRifleNetwork

Published on September 28, 2022
Duration: 9:14

This video explores top long-range calibers for different rifle platforms, focusing on PRS bolt actions, AR-10s for designated marksman roles, and AR-15s for tactical competitions. It highlights the importance of ballistic coefficient (BC) for flat trajectories and wind resistance, recommending 6mm wildcats for bolt actions, .308 for AR-10s in specific roles, and 6.5 Grendel for AR-15s due to its superior ballistics over heavy .223.

Quick Summary

For PRS bolt-action rifles, 6mm wildcats like 6mm GT, Dasher, and Creedmoor are top choices due to their high BC bullets for flat trajectories and wind resistance. For AR-10s in DM roles, .308 Winchester is practical. The 6.5 Grendel is recommended for AR-15s in tactical or hunting scenarios for its superior long-range ballistics over .223.

Chapters

  1. 00:00Introduction: Long Range Caliber Discussion
  2. 00:33Bolt Action: 6mm Wildcats for PRS
  3. 01:47Ballistics: BC, Trajectory, and Wind
  4. 03:42AR-10 Platform: .308 Winchester for DM/Hunting
  5. 04:45.308 Ballistics and Effective Range
  6. 06:06AR-15 Platform: 6.5 Grendel for Tactical/Hunting
  7. 06:406.5 Grendel vs. Heavy .223 and 6 ARC
  8. 07:066.5 Grendel Ballistics and Energy
  9. 08:42Conclusion: Context is Key for Caliber Choice

Frequently Asked Questions

What are the best calibers for long-range shooting on a bolt-action rifle?

For precision rifle series (PRS) style competitions, 6mm wildcat cartridges are highly recommended. Popular choices include 6mm GT, 6mm Dasher, 6mm BR, 6x47, and 6mm Creedmoor. These calibers are favored for their efficient powder use and high ballistic coefficient (BC) bullets, which provide flatter trajectories and better wind resistance.

What is the recommended caliber for an AR-10 in a designated marksman role?

For an AR-10 in a designated marksman (DM) role or for hunting, .308 Winchester is a suitable caliber. While it's considered mid-range compared to some modern cartridges, it offers good energy delivery for most North American game and is effective for engaging man-sized targets at distances where wind is less of a factor.

Why is 6.5 Grendel a good choice for an AR-15 in long-range applications?

The 6.5 Grendel is recommended for AR-15s in tactical competitions or hunting because it offers superior ballistics and energy at longer distances compared to heavy .223 Remington rounds. It provides better wind bucking capabilities and remains supersonic at 1000 yards, making it effective for both competition and certain hunting scenarios.

What does Ballistic Coefficient (BC) mean for long-range shooting?

Ballistic Coefficient (BC) is a crucial metric in long-range shooting that measures how efficiently a bullet travels through the air. A higher BC indicates a bullet that is less affected by drag and wind, resulting in a flatter trajectory and improved accuracy at extended distances.

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