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7.5" PDW Base Upper

Product Code: FGAA-01083

Availability: Built to Order

7.5" PDW Base Upper
$777.34
OR
Description

Details

The 5.56 PDW Base 7.5" Upper is a short barreled pistol piston upper that incorporates the patented Adams Arms technology and the Samson Evolution extended free floating forearm. It comes with our proprietary Melonited heavy contour barrel and pistol length gas piston system. Because the piston chamber is the same size as the chamber on the rest of the Adams Arms gas lengths this 7.5" upper now has the proper dwell time to get cyclic rate and bullet velocity needed to make this a viable short barreled option for any CQB scenarios. We've also added a 4" Samson drop in rail for any shooters tactical options. This creates the shortest, most reliable, and accurate complete upper.

 

Specifications:

Upper Receiver: A4 Flat-Top, Forged

Barrel Length: 7.5"

Barrel Contour: Government

Barrel Material: 4150 Chrome Moly Vanadium Steel

Muzzle Thread Pattern: 1/2"-28

Chrome Lined: No

Barrel Finish: QPQ Melonite / Black Nitride

Twist Rate: 1 in 7"

Chamber: 5.56x45mm NATO

M4 Feed Ramps: Yes

Bolt Carrier: 1-Piece w/Integral Piston Strike Face

Muzzle Device: A2 Flash Hider

Gas System Length: Pistol, Short Stroke Piston Operated

Gas Block Diameter: 0.750"

Handguard: 2-Piece Drop in Quad Rail

Sights: None, Single Rail Gas Block

Weight: 3.649 lbs

Reviews

Customer Reviews 4 item(s)

Cleanest and strongest ar15/m16 upper around
I have used this upper on a number of different lowers using a variety of 5.56/223 ammunition in single, burst, and fully automatic rates of fire. This upper perform flawlessly in extremely adverse conditions such as; clean, dirty, wet, hot, and freezing. It pounds through mud and grime as though it were a jackhammer, it will operate under water, full of water and never disappoints no matter what you throw it it or how neglected it is. This piston system is extremely durable and pleases even the most anal attentive people out there, believe me I am one. It always satisfies through extreme shock and strain, such as a drop from 200 feet onto concrete multiple times. This Adams arms piston driven weapons system is no doubt the most rugged and reliable platforms out there even after 20,000 rounds of ammunition. There are no drawbacks to this upper whatsoever. I highly recommend this to all shooters even precision shooters out there. Review by Logan / (Posted on 12/3/2014)
Cleanest and strongest ar15/m16 upper around
I have used this upper on a number of different lowers using a variety of 5.56/223 ammunition in single, burst, and fully automatic rates of fire. This upper perform flawlessly in extremely adverse conditions such as; clean, dirty, wet, hot, and freezing. It pounds through mud and grime as though it were a jackhammer, it will operate under water, full of water and never disa Review by Logan / (Posted on 12/3/2014)
7.5 pdw pistol upper
I built a pistol using this upper. This is the best upprr going. Over 400 rounds using a variety of .223 & 5.56 ammo no issues at all. This thing runs like a swiss watch! I think the piston system along with expert machining and the coating on this beast makes it go. This has become my favorite AR. Great work Adams Arms. Review by ar15'er / (Posted on 1/29/2014)
Bretty Gewd
OH LAWD, KILL ME. Review by James Jagermeister / (Posted on 12/27/2013)
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