8.5" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 10" RAIL
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Upper Receiver
A4 Upper Receiver
M4 Feed Ramps
Black Hardcoat Anodized Mil-Std-171 Type III
Precision Machined to Mil-Spec Tolerances
Forged From High-Grade 7075 T6 Aluminum
Mil-Spec Forward Assist and Ejection Door
*A Upper Receiver MUST be selected from the drop down menu above.

Barrel
7.5" - 8.5" 300 Blackout Barrel depending on your choice.
*A Barrel MUST be selected from the drop down menu above.
The 8" or 8.5" barrel is recommended because of the length of the hand guard.


Gas System
Pistol Length Stainless Steel Gas Tube
.750 Low Profile Steel Melonite Gas Block

Hand Guard
Seekins Precision MCSR V2 10" KeyMOD Rail

Muzzle Device
Flash Can


The Bolt Carrier Group and Charging Handle are not included. Please see "Related Items"
below or go to our Bolt Carrier Group and Charging Handle Section to choose one.

All barreled uppers are head spaced and test fired to ensure function.

ALL LAWS APPLY. IT IS THE RESPONSIBILITY OF THE BUYER TO UNDERSTAND ALL
LAWS REGARDING PURCHASE AND OWNERSHIP OF THIS UPPER. WE STRONGLY
URGE YOU TO CONTACT YOUR LOCAL FFL AND/OR THE ATF WITH ANY AND ALL
QUESTIONS TO MAKE SURE YOU UNDERSTAND THE LAW BEFORE PURCHASING
THIS ITEM.
  • Item #: 83SPMV2SKBU
  • Condition: New

8.5" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 10" RAIL

Price: $524.99
Sale Price: $379.99
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Availability: In-Stock
Qty: *
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