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Note: This upper receiver features a barrel shorter than 16" and is subject to all NFA rules and regulations as well as your local laws. Must be attached to a pistol lower receiver or registered SBR lower.
An increasingly popular configuration for the AR-15 is as a 7.5” pistol, but picking the right upper can be tricky. Because the gas system is so short, some shooters build their own 7.5” AR pistol only to find that it does not reliably cycle. In this case, it’s easier to go with a complete upper receiver to get the manufacturer’s assistance.
Tiger Rock has made a very affordable option for those looking to start a basic AR-15 pistol build. Featuring a 7.5” barrel with a 4” M-Lok Super Slim handguard, shooters will be surprised to find how light and maneuverable this upper can be when paired with a solid pistol lower receiver. If you already have a pistol lower, this upper receiver will give you everything else you need, aside from a set of sights (or optic, you so choose).
- 5.56 NATO Pistol 7.5" Inch Pistol Length Barrel CMV 1:7 Twist - Black Nitride (Made in USA)
- US-Made Upper Receiver with Forward Assist
- .223/5.56 Bolt Carrier Group- Black Nitride (Made in USA)
- Tactical Charging Handle Assembly
- Pistol Length Gas Tube 6.75" - Stainless Steel
- A2 Flash Hider for 1/2"x28 Pitch - 5 Ports
- .750 Low Profile Steel Gas Block with Roll Pins & Wrench -Black
- M-LOK 4" Super Slim Free Float Handguard with 2" & 2" M-LOK Rails
This upper receiver includes a US-made black nitride bolt carrier group, a stainless-steel pistol-length gas system with low-profile steel gas block, and a tactical charging handle assembly. The muzzle is threaded for standard ½”x28 and includes an attached A2 flash hider, which is great for short-barreled pistol builds. The barrel is a Chrome Moly Vanadium steel with 1:7 twist rate—perfect for the heavier bullets, which do well in short barrels.
The Tiger Rock 5.56 7.5” 5.56 Complete Upper Receiver is a great start to any budget 5.56 pistol build, and it can save a lot of headaches compared to the struggle of tuning a custom-built gun. Why break the bank when Tiger Rock already has everything you’ll need for your upper receiver?
Barrel Contour: M4
Barrel Length: 7.5
Barrel Material: 41V50 Chrome Moly Vanadium Steel
Brand: Tiger Rock
Caliber Gauge: 5.56 NATO
Gas System Length: Pistol
Gas System Type: Direct Impingement
Handguard: 4 in M-LOK Rail
Muzzle Device: A2 Flash Hider
Twist Rate: 1:7