AAC BLACKOUT 5.56MM 90T Tapered Muzzle Brake (SR-5) Fast-Attach

AAC BLACKOUT 5.56MM 90T Tapered Muzzle Brake (SR-5) Fast-Attach

Name: AAC BLACKOUT 5.56MM 90T Tapered Muzzle Brake (SR-5) Fast-Attach
Brand: Advanced Armament Corp
Availability: OutOfStock

Advanced Armament Corp · Muzzle Devices

No ratings yet

Best price

$169.99at Rainier Arms

not checked recently

Buy at Rainier Arms

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
Rainier Arms Best price	$169.99not checked recently	Check store	Buy at Rainier Arms
MidwayUSA	$97.99checked Oct 1, 2026	Out of stock	Buy at MidwayUSA

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Show

Dashed line = out of stock. Tracking since Sep 29, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
MidwayUSA	$97.99	$97.99	$97.99

Since Sep 29, 2026.

About this part

The AAC BLACKOUT 5.56MM 90T Tapered Muzzle Brake (SR-5) Fast-Attach is a 5.56 / .223 muzzle device from Advanced Armament Corp. It's sold by 2 stores, from $97.99 to $169.99.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo

Specifications

Manufacturer: Advanced Armament Corp
Color: Black
Caliber: 5.56 mm NATO

From the manufacturer

Reduce Recoil and Stay On Target. Highly-efficient muzzle brake design and compatible with AAC sound suppressors. Constructed with aerospace-grade heat-treated 17-4 stainless steel and Nitride coated for high surface hardness and durability.

Weight-4.0 oz
Thread pitch-1/2-28
Finish-Nitride
Mount-Ratchet Mount

*NOT FOR USE ON SCAR 17 OR RUGER GUNSITE SCOUT