Description
The AAC 556-SD is a fast-attach 5.56 rifle suppressor based on the M4-2000, using AAC’s 51T ratchet mounting system. The baffle core is 100% Inconel 718 with full circumferential welding, and the can is full auto rated. It is 6.7″ long and 18 oz.
USED CONDITION
- Fresh black Cerakote coat applied, exterior looks great
- Round count unknown
SPECIFICATIONS
- Caliber: .223 / 5.56
- Length: 6.7″
- Diameter: 1.5″
- Weight: 1 lb 2 oz (18 oz)
- Decibel Reduction / Output: 31 dB
- Mount: AAC 51T Ratchet Mount
- Thread Pitch: Multiple thread pitches available (muzzle device)
- Materials: Inconel 718, 316L Stainless Steel
- Finish: Cerakote, Black (factory)
- Full Auto Rated: Yes
- Can Be Disassembled: No
- Warranty: Lifetime
WHAT’S INCLUDED
- Suppressor only
NOT INCLUDED
- 51T muzzle device (required to mount, sold separately)
- Suppressor pouch
- box
COMPATIBLE ACCESSORIES / MOUNTS (sold separately)
- AAC 51T Blackout Flash Hider
- AAC 51T Muzzle Brake
- AAC 51T Brakeout 2.0 Compensator
NOTE: This is the original 51T version of the 556-SD. It requires an AAC 51T muzzle device to mount. No muzzle device is included with this unit, so one must be sourced separately.
