8.6 Blackout 350gr Makers Extreme Expanding, Subsonic, 20ct

$56.99

Built specifically for the 8.6 Blackout, this 350 grain solid copper projectile loaded by Acri Ammunition is engineered for extreme subsonic performance, deep penetration, and devastating terminal effect. Designed around the heavy-for-caliber philosophy that defines 8.6 BLK, this round excels in short-barrel, fast-twist platforms where reliability and consistency matter most.

Out of stock

SKU: 86-350-MAKERSUB Categories: , , Brand:

Description

8.6 Blackout – 350 Grain Solid Copper Makers

Built specifically for the 8.6 Blackout, this 350 grain solid copper projectile loaded by Acri Ammunition is engineered for extreme subsonic performance, deep penetration, and devastating terminal effect. Designed around the heavy-for-caliber philosophy that defines 8.6 BLK, this round excels in short-barrel, fast-twist platforms where reliability and consistency matter most.

Loaded using Makers solid copper bullets, this projectile features precision-cut expansion petals designed to open reliably at subsonic velocities while maintaining exceptional weight retention. The result is controlled expansion, massive wound channels, and straight-line penetration—ideal for suppressed hunting and hard-hitting subsonic applications.

Optimized for 1:3 or 1:5 twist barrels, this load stabilizes exceptionally well and delivers repeatable accuracy shot after shot. Whether you’re running a bolt gun or gas platform, this round is purpose-built for the demands of modern 8.6 Blackout shooters.


Ballistics (Typical Subsonic Performance)

Actual results may vary based on barrel length, twist rate, and environmental conditions.

Distance Velocity (fps) Energy (ft-lb)
Muzzle ~1,050 fps ~860 ft-lb
50 Yards ~1,000 fps ~777 ft-lb
100 Yards ~950 fps ~701 ft-lb
150 Yards ~900 fps ~630 ft-lb
200 Yards ~850 fps ~562 ft-lb
  • Designed to remain subsonic across practical hunting distances

  • Reliable expansion at low impact velocities

  • Excellent energy retention for suppressed use


Key Specifications

  • Caliber: 8.6 Blackout (.338)

  • Bullet Weight: 350 Grain

  • Bullet Type: Solid Copper, Lead-Free

  • Intended Velocity: Subsonic

  • Barrel Optimization: 1:3 or 1:5 Twist Recommended

  • Manufacturer: Acri Ammunition

  • Bullet Manufacturer: Makers Bullets

  • Made in the USA


This 350gr 8.6 Blackout load delivers the kind of performance the caliber was built for—quiet, heavy-hitting, and brutally effective—making it an excellent choice for suppressed hunting and precision subsonic shooting.

Additional information

Bullet Caliber

.338 Caliber

Bullet Weight (Grains)

350

Caliber/Gauge

8.6 BLACKOUT

Manufacturer

Acri Ammunition

Units per Box

20

UPC

850070839907