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brand: | aac |
gunparts: | receiver |
The flexible carbine length gas device is used in this 16" 300 Blackout upper, which is a good option for this cartridge if different weights and types of ammunition are to be used. This configuration is compatible with most subsonic and supersonic loads fired from either a suppressed or unsuppressed gun. However, without a sound suppressor attached to provide extra backpressure, some subsonic ammunition can not cycle reliably in adverse conditions or in a heavily fouled weapon.
Complete 300 AAC BLACKOUT Upper Receiver Assembly
- 16" Nitrided 1:7: Twist Barrel, threaded 5/8-24
- AAC 51T BLACKOUT™ Flash Hider
- "Full Auto" BCG
- KAC URX Rail
- Ready to drop onto your AR15/M16/M4 lower! Works with an AR lower with "Mil-Spec" push pin locations.
IMPORTANT NOTES:
-The 16" AAC 300BLK Upper is designed for use with a carbine receiver extension, standard GI Buffer Spring, and a CARBINE Buffer.