![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/1AC-1000x1000.png)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/2ac-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/3ac-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/AR-300-Blackout-16-Barrel-W-10-12-16-Free-Float-Handguard-Carbine-Upper-Build-U49-ASSEMBLED(2)-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/4ac-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/5ac-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/1-2023%20NEW-BCG-N+BCG-NB-BCG-N-HM+BCG-N2-OPTION-ADD-ON-OPTIONAL-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024-01-NEW-SIGHTS%20OPTION-ADD-ON-OPTIONAL-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20Rifle%20Scope%20Add-on-1000x1000.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-1000x1000.jpg)
-44 %
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/1AC-800x800.png)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/2ac-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/3ac-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/AR-300-Blackout-16-Barrel-W-10-12-16-Free-Float-Handguard-Carbine-Upper-Build-U49-ASSEMBLED(2)-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/4ac-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-49-AR300BLKC/5ac-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/1-2023%20NEW-BCG-N+BCG-NB-BCG-N-HM+BCG-N2-OPTION-ADD-ON-OPTIONAL-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024-01-NEW-SIGHTS%20OPTION-ADD-ON-OPTIONAL-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20Rifle%20Scope%20Add-on-800x800.jpg)
![AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED] AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-800x800.jpg)
AR 300 Blackout 16'' Barrel W/ 10" 12" Free Float Handguard | Carbine Upper Build UPK49 [ASSEMBLED]
We ship fast
Most orders usually ship out fast. Cerakote products may take 5-7 business days to process.
- Stock: In Stock
- Model: UPK-49-AR300BLKC
Product Views: 20937
$269.99
$479.99
Available Options
16" .300 Blackout 1:8 Twist | Pistol Gas
System| Parkerized | Made in U.S.A.
AR-10 .308 A2 Style Birdcage Muzzle Brake
W/Crush Washer
AR-15 Mil-Spec Upper Receiver | Made in U.S.A.
AR-15 Tactical Rifle Charging Handle Assembly
AR-15 Ejection Port Cover | Dust Cover
Assembly
Forward Assist Complete Mil-Spec Assembly
Low-Profile Micro Steel AR Gas Block .750-Black
Phosphate Finish
6.7" Stainless Steel Gas Tube-Pistol Length
FAR- | Handguard Option
AR-15 FREE FLOAT QUAD RAIL HANDGUARD
FFAR-0- | Handguard Option
AR-15 EXTENDED LENGTH ONE PIECE FREE FLOAT HANDGUARD
WARNING to California Residents:⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Tags:
OUTDOORSPORTSUSA
, BIRDCAGE MUZZLE BRAKE
, 16 INCH
, RIFLE
, 1:8 TWIST
, PARKERIZED
, MADE IN U.S.A
, BCG
, BLACK NITIRIDE
, STOCK
, 6 POSITION BUFFER TUBE