Bushmaster ACR Caliber Conversion System Comes to Market

by
posted on October 11, 2018
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
finalacr-beauty-shot-1.jpg

After eight years of anticipation, the Bushmaster Unicorn, also known as the ACR caliber conversion, has finally hit the market. This caliber conversion system for the ACR, a platform that offers fully ambidextrous controls, improved ergonomics, an ultra reliable gas -piston operating system, and tool-less configuration and caliber adaptability, is promised to be the first of many caliber options. For now however, these conversions will be offered in .450 Bushmaster, and 6.8 Rem. SPC II. For a complete list of the options now available, please see the chart below:

Product Specifications

Product

Order #

Barrel

Magazine Capacity

2018 MSRP

16” .450 Bushmaster ACR Conversion

90023

16” FNC Treated 4150 CMV, 1:24”
twist

5 Round Polymer

$699

18.5” .450 Bushmaster ACR Conversion

90024

18.5” FNC Treated 4150 CMV, 1:24” twist

5 Round Polymer

$699

16” 6.8 Rem. SPC II ACR Conversion

90028

16” FNC Treated 4150 CMV, 1:11” twist

25 Round

$699

 

Latest

TNW Firearms ASR 1911
TNW Firearms ASR 1911

Review: TNW Firearms ASR 1911

Reliable pistol-caliber carbines, especially with quick-caliber-change capability, are fun, and the ASR 1911 from TNW Firearms is one of the most unique of the bunch.

GOEX Resumes Black Powder Production

Voyager Technologies announced on Sept. 8 that the GOEX plant in Camp Minden, La.—the sole black powder manufacturing facility located in the United States—has been modernized and is back in production.

Today’s Makers of Yesterday’s Firearms

Original firearms from the American Revolution era are valuable and best preserved for posterity. For those who want to shoot them, several modern makers offer quality reproductions.

Left Turn (Bolt): Tikka's New Left-Handed T3x Ace Rifles

Lefties of the world unite and rejoice, as Tikka has announced left-hand versions of its award-winning T3x Ace chassis rifles.

The Armed Citizen® Sept. 14, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Skills Check: Rifle Standard Delta 2

Carbine performance is all about maintaining control. The Rifle Standard Delta 2 is a drill that pressures recoil control, visual discipline and cadence as distance decreases and time compresses.

Interests



Get the best of American Rifleman delivered to your inbox.