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16" 300 Blackout AR15 Stainless Steel Upper Assembly 1x7 Keymod Rifle Length Rail
16" 300 Blackout AR15 Stainless Steel Upper Assembly 1x7 Keymod Extended Rifle Length Rail

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List Price: $449.99
Our Price: $284.99
Savings: $165.00

Availability:: Usually Ships in 24 to 72 Hours
Product Code: 16300BOSS1X7KMRL

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Description Additional Info

16" 300 Blackout AR15 Stainless Steel Upper Assembly 1x7 Keymod Rifle Length Rail

*Milspec forged aluminum upper receiver with forward assist and dust cover assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class 2. Forged from 7075 T6 aluminum. M4 Feed Ramps.

*AR15Part.com Premium 12.5" Rifle Length Narrow Profile KEYMOD Rail. Fit and Finish on our newest line of free float rails is outstanding. 100% US Made. Very comfortable and very light weight. Keymod slots run the entire length of our rail at the 3, 6, and 9 o'clock postions. Keymod rail sections NOT included but are available for purchase on our website if needed. Keymod rail sections easily attach to our rails for adding accessories like bipods, flash lights, grips, lasers, etc.

*16” 300 Blackout 416R Stainless Steel Medium Contour Profile Barrel with 1x7 twist. 5/8x24 threads.

*.750 low profile gas block.

*Pistol length Gas Tube.

*A2 flash hider with crush washer.

*This upper assembly will fit all standard AR 15 lower receivers and utilizes your existing 5.56/223 bolt carrier group and charging handle!!


This item IS NOT A FIREARM!!! It is only "Firearm Parts", so no FFL is needed and it can be shipped directly to you. You are responsible for knowing your state or local laws. We will not ship this item to areas where it is not legal to own.

Average Rating: Average Rating: 4 of 5 4 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:
4 of 5 300 blackout upper. SS 16 in. Keymold rail September 12, 2017
Reviewer: James Fatta from Murrysville , PA United States  
Great value , came days befor scheduled Looks great,have not put together yet . So far  a good experience .Will shop here again. Would have 5 stars if I had it together and shooting.

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