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Adams Arms 5.56 Piston 11.5" AR-15 Carbine Base Upper AR15 UA-11.5-C-B-556

Adams Arms 5.56 Piston 11.5" AR-15 Carbine Base Upper AR15 UA-11.5-C-B-556

Part Number:UA-11.5-C-B-55
On sale: $549.95
Retail Price:$588.42
You Save:$38.47(7%)
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Adams Arms 5.56 Piston 11.5" AR-15 Carbine Base Upper AR15

The Adams Arms Standard 5.56 Carbine Length AR-15 Piston 11.5 Upper. Piston systems are pinned on for ultimate reliability.

  • Carbine Gas Piston System
  • 11.5" Carbine M4 Contoured Melonited Barrel
  • Chambered in 5.56 NATO
  • M4 Feed Ramps
  • 1:7 Right Handed Twist
  • M4 Style Handguard and Handguard Cap
  • A2 Flash Hider

This is a complete 11.5" upper which includes a bolt carrier group and charging handle. The 5.56 Carbine Base upper is a standard M4 style upper that utilizes the patented Adams Arms technology. The piston system parts and the barrel have been treated with our salt nitride Meloniting process making them more corrosive resistant and harder than hard chrome. Add the patented Adams Arms piston system and you'll have an upper that will run cleaner, cooler and longer than any other AR upper you own. This is a complete upper cut with an M4 profile that will work on any mil-spec AR lower. Retail priced at $777, you can get the Unbelievable Valhalla Member Discount when added to your cart and have a complete upper with all the added benefits without the added price of comparable uppers!

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