4″ Slick Side Billet 9mm Nitride Pistol M-LOK Upper Assembly
An affordable pistol upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum and quality American Made handguards, paired with a 4″ Nitride treated barrel chambered in 9mm.
This also means taking the time to ensure that the upper will function reliably. We use Permatex 242 on key components while using mil-spec AEROSHELL 33MS Anti-Seize grease on the properly torqued barrel nut and muzzle device.
Specifications:
- AR-9 Slick Side Billet Upper Receiver
- 6061 Aluminum
- Pairs with any Mil-Spec Lower
- M4 Feedramps
- Barrel
- 4″ 9mm Pistol Length Nitride
- 1:10 Twist
- M-LOK Free Float Handguard
- American Made
- Extruded 6061 Aluminum
- Muzzle Device
- KAK Slimline Micro Flash Can – 1/2×36
Limited Lifetime Warranty








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