

16″ 300 BLK Blackout Complete Rifle Kit with No Lower
$419.00 Original price was: $419.00.$329.95Current price is: $329.95.
A .300 Blackout upper kit with a 10″ free-float aluminum quad rail, pistol-length gas system, and mil-spec bolt carrier group. Heavy chrome moly barrel, 1×8 twist. No lower receiver included — not an FFL item.
- Description
- Additional information
- Reviews (1)
- FAQ
This .300 Blackout Rifle Kit steps up to a 10″ free-float aluminum quad rail for a longer sight radius and improved accuracy over the shorter handguard options. The heavy chrome moly barrel is phosphate processed and paired with a pistol-length gas system.
- Chamber – .300 AAC Blackout
- Twist – 1 x 8
- Barrel Thread – 5/8″ x 24
- Barrel Steel – Heavy Chrome Moly, Phosphate Processed
- Flash Hider – A2 Flash Hider
- Gas System – Pistol-Length, .750″ Low Profile Gas Block
- Handguard – 10″ Free Float Aluminum Quad Rail
- Upper Receiver – M4 Flat-Top w/ Feed Ramps
- Bolt Carrier Group – Mil-Spec AR-15 BCG
- Charging Handle – Included
- Lower Parts Kit – Mil-Spec LPK
- Stock – US-Made 6-Position Black Stock w/ Buffer & Spring
- Origin – Made in the USA
What’s Included: Assembled M4 flat-top upper, mil-spec BCG, charging handle, mil-spec lower parts kit, and 6-position stock. Lower receiver is NOT included — pair it with any AR-15 80% lower, and this kit ships as a non-FFL item.
Browse more setups in our .300 Blackout rifle build kits collection, or grab a matching 80% lower receiver to complete the build.
| Weight | 8 lbs |
|---|---|
| Brand | |
| Caliber | |
| Handguard Length | |
| Platform | |
| Barrel Chamber | |
| Barrel Finish | |
| Barrel Gas Block | |
| Barrel Gas System | |
| Barrel Length | |
| Barrel Material | |
| Barrel Thread | |
| Barrel Twist | |
| Color | |
| Accessory Attachment Style | Picatinny |
1 review for 16″ 300 BLK Blackout Complete Rifle Kit with No Lower
Only logged in customers who have purchased this product may leave a review.
Does this kit include a lower receiver?
No. This kit ships without a lower receiver, so it is not an FFL item.
What handguard does it use?
A 10″ free-float aluminum quad rail for a longer sight radius and better heat dissipation.
What twist rate is the barrel?
1×8 twist, chambered in .300 AAC Blackout, with a heavy chrome moly barrel.
Is the bolt carrier group and charging handle included?
Yes, a mil-spec BCG and charging handle are both installed.
Can I upgrade components before I order?
Yes, upgrade options for the BCG, lower parts kit, and flash hider are available at checkout.
Is this kit made in the USA?
Yes, the kit is assembled in the USA.




robert cacciatore –
Great build