New Arrivals/Restock

Subsonic 300 AAC Blackout - "Big Brother" 242 gr Maker REX NAS3 (1:5 Twist) - 50 CT by Phantom Defense

flash sale iconLimited Time Sale
Until the end
10
04
15

US$54.00 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used  US$36.00
quantity

Product details

Management number 213465521 Release Date 2026/04/12 List Price US$36.00 Model Number 213465521
Category

The 300 AAC Blackout 'Big Brother' 242 gr Subsonic Maker REX NAS3 is the top pick for defense and hunting. It boasts a 242-grain solid copper projectile and Shell Shock's advanced NAS3 casing, ensuring subsonic accuracy and peak terminal performance. Its unrivaled expansion and dependability set the bar for subsonic 300 Blackout ammo. This round is designed for 1:5 twist only and functions smoothly in semi-auto weapons. OAL is at SAAMI max length.

  • Speed: 1050 FPS
  • Impact Force: 593 ft-lbs
  • Ballistic Coefficient: 0.531 G1
  • Consistent expansion at subsonic speeds, wide cutting diameter
  • Retains full 242 grains for deep penetration
  • Consistent pass-throughs and severe exit wounds
  • Requires 1:5 twist rate for stability, slower twist may cause tumbling and baffle strike
Shape Round
Brand Name Phantom Defense
Sport Type Hunting
Manufacturer Phantom Defense
Material Type Copper

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review