AAC (ADVANCED ARMAMENT) Complete MPW Upper Assembly 12.5\" 300Blackout
User Ratings
No ratings yet
Be the first to review this product
AAC (ADVANCED ARMAMENT) Complete MPW Upper Assembly 12.5" 300Blackout\n\n- 12.5" nitrided 1:7 twist barrel, threaded 5/8-24\n- AAC 51T BLACKOUT Flash Hider\n- Full Auto BCG\n- KAC URX Rail\n- Ready to drop onto your AR15/M16/M4 lower. Works with an AR lower with Mil-Spec push pin locations.\n\nIMPORTANT NOTES:\n- The 12.5" AAC 300BLK Uppers are designed for use with a carbine receiver extension, standard GI Buffer Spring, and an H2 Buffer.
Specifications
- Manufacturer:
- Advanced Armament Co (Aac)
- Category:
- Upper Receiver
- Length:
- 12.5"
- UPC:
- 847128007630
- MPN:
- 102129
- Required Component:
- Yes
Sponsored
Right to Bear
A real attorney picks up the phone
Not a receptionist. Not an answering service. An attorney — available 24/7 if you need them.
Get CoverageWhere to Buy
Have one to sell?
Price History
Current
$1,075.99
Lowest
$1,075.99
Highest
$1,075.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertWhat's Included in this Bundle
Related Guides
Guide
AR-15 Components: A Complete Reference Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
Left-Handed AR-15 Builds: Ambi Controls and Component Selection
A neutral guide to component strategies for left-handed shooters, left-eye dominant right-handed shooters, and those managing eye/hand dominance mismatches. Covers ambi uppers, charging handles, gas system tuning, and real-world tradeoffs.
6 min read