

AR-15 Rifle Kit 15″ M-lok Windows Assembled
$519.95 Original price was: $519.95.$339.95Current price is: $339.95.
This Daytona Tactical AR-15 kit is a complete rifle build minus the 80% lower — a pre-assembled 16″ 5.56 upper with nitride chrome moly barrel, 1:7 twist, and a 15″ window-cut M-LOK handguard, with bolt carrier group, charging handle, and muzzle device included. Add a lower parts kit and stock at checkout to finish your build.
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AR-15 Complete Rifle Kit — 16″ 5.56, Window M-LOK, Minus 80% Lower
This AR-15 rifle kit from Daytona Tactical is a complete build minus the 80% lower receiver, featuring a pre-assembled 16″ 5.56 upper on a nitride chrome moly barrel with a 1:7 twist, plus a bolt carrier group, charging handle, and muzzle device included. The 15″ handguard uses a window-cut M-LOK design that trims weight while keeping the full length of M-LOK slots for accessories, and it’s built on a carbine-length gas system with a .750″ gas block.
Specifications
- Caliber: .223/5.56
- Barrel Length: 16″
- Barrel Material: Chrome Moly, Nitride Finish
- Barrel Twist: 1:7
- Barrel Thread: 1/2″-28
- Gas System: Carbine-length, .750″ Gas Block
- Handguard: 15″ Window-Cut M-LOK
- Bolt Carrier Group: Included
- Charging Handle: Included
- Muzzle Device: Included
- Color: Black
- Platform: AR-15 (.223/5.56)
- Lower Receiver: Not included
- SKU: DT9-190
What’s Included
- 1x Assembled AR-15 Upper (barrel, window-cut M-LOK handguard, and gas system installed)
- 1x Bolt Carrier Group
- 1x Charging Handle
- 1x Muzzle Device
Optional checkout upgrades: lower parts kit, stock, and sights.
This kit does not include a lower receiver, so no FFL transfer is required to purchase this item.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.p65warnings.ca.gov.
| Weight | 8 lbs |
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| Barrel Material | |
| Barrel Thread | |
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| Accessory Attachment Style | M-lok |
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Frequently Asked Questions
Does this kit include a lower receiver?
No — this is a complete rifle kit minus the 80% lower. Everything above the lower receiver — the assembled upper, barrel, handguard, bolt carrier group, charging handle, and muzzle device — is included, so you’ll need to supply or purchase your own lower separately.
What makes the window-cut M-LOK handguard different from a standard M-LOK rail?
The window cutouts remove extra aluminum between the M-LOK slots, shaving weight off the handguard without sacrificing rigidity or the number of usable mounting slots. It’s a lighter-weight option than a solid M-LOK rail while still accepting the same M-LOK accessories.
What’s the barrel spec on this kit?
The upper ships with a 16-inch chrome moly barrel with a nitride finish and a 1:7 twist rate, running on a carbine-length gas system with a .750″ gas block — a standard, reliable setup for 5.56/.223 ammunition including heavier bullet weights.
Does the kit include a bolt carrier group and charging handle?
Yes — a bolt carrier group and charging handle are included standard with this kit, along with the muzzle device. All you need to add is a lower parts kit and stock once you have a lower receiver to complete the build.
Does this kit come with a muzzle device?
Yes, a muzzle device is preinstalled on the 1/2″-28 threaded barrel. If you’d rather run a different flash hider, brake, or suppressor mount, you can swap it out since it’s a standard-thread attachment.




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