UppersPremium
MEAN Arms
MEAN Arms Bearing Delay 9mm Upper Receiver
Complete tunable ball-bearing-delayed 9mm upper for standard AR-15 or compatible pistol-magazine lowers.
Quick Specs
- Price
- $1,420
- Weight
- N/A
- Brand
- MEAN Arms
- Category
- upper
Features
- •Ball-bearing delayed 9mm action
- •4.5, 7.5, 11, 14.5, and 16-inch barrels
- •1/2x28 threads
- •Uses standard AR-15 buffers
- •Includes two lifters and two ejectorless EndoMags without PMAG bodies
Compatibility Tags
family: pccfamily: ar-patternplatform: custom-ar-9caliber: 9mmthread: 1/2x28interface: picatinny-tophandguard: mlok
Pros
- +Delayed action avoids relying only on a heavy blowback bolt
- +Five barrel lengths cover pistol, SBR, pinned, and rifle paths
- +Works with standard AR-15 buffers and includes two ejectorless EndoMags
Cons
- −Costs more than many complete blowback AR9s
- −Dedicated pistol-magazine lowers may need ejector removal
Detailed Specifications
- caliber
- 9mm
- barrelLength
- 4.5, 7.5, 11, 14.5, or 16 inches
- action
- Tunable ball-bearing delay
- muzzleThread
- 1/2x28
- buffer
- Standard AR-15 buffer
- included
- Complete upper, two lifters, and two ejectorless EndoMags; PMAG bodies not included
Compatible Platforms
Pairs Well With
Top matches
Marlin
Marlin Mad Pig Customs Model 1894
3 shared compatibility tags
Good
B&T
B&T APC223 PRO 420 mm
3 shared compatibility tags
Good
Sig Sauer
Sig MCX Virtus Patrol 16"
3 shared compatibility tags
Good
Sig Sauer
Sig MCX Spear-LT 11.5"
3 shared compatibility tags
Good
Sig Sauer
Sig Sauer SIG516 G3 Mohawk 16" 5.56
3 shared compatibility tags
Good
CZ
CZ Bren 2 Ms 11" Pistol
3 shared compatibility tags
Good
Similar Products
Related Guides & Articles
Guides
Build Your Custom Configuration
Add the MEAN Arms Bearing Delay 9mm Upper Receiver to your build and see how it enhances your platform.