Description
Grid Defense 10.5" 5.56 Flash Can Upper Receiver
- Hard Coat Black Anodized Finish
- Made in the USA
- 7075-T6 Mil-Spec Upper Receiver
- 10.5" 1:7 or 1:8 Twist 4150 M4 Profile Barrel - Black Nitride
- Chambered in 5.56x45 NATO
- Carbine Length Gas System
- .750 Low Profile Gas Block
- 12" Octagon M-Lok Rail
*****Ammunition Notification***** Grid Defense test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.
1 Review
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10.5" 5.56 upper
Ordered this upper 2 weeks or so ago, got it last Saturday Jan 30th, shot it Sunday, I freaking love this upper! U can wrap ur hand around the handguard with no problem, follow up shots are quick and accurate, good looking too with that flash can.