9mm PCC Range Report
Suppressed 9mm PCC Range Test: Putting the Brownells AR-9 Build to Work
Caleb is at the Brownells Big Springs range with the 9mm pistol caliber carbine featured in a recent build video.
This is the Colt-magazine AR-9 with the distinctive tucked suppressor setup. Now that the build is complete, it's time to see how the finished PCC performs on paper and steel.
A Closer Look at the Suppressed 9mm PCC
One of the first things you'll notice about this build is the suppressor configuration.
The muzzle device sits well inside the handguard, allowing the Dead Air RXD 910Ti suppressor to nest into the front of the gun.
Caleb adds a ModTac suppressor shield over the exposed portion. The result is a compact setup that visually extends the handguard around the suppressor while still allowing access when the suppressor needs to be removed.
Dead Air RXD 910Ti
The suppressor used on the PCC is the Dead Air RXD 910Ti, developed in collaboration with Ruger.
Caleb installs the suppressor and then locks the ModTac shield into position over it.
With everything assembled, it's time to see how the completed 9mm build actually shoots.
Testing 9mm PCC Accuracy at 25 Yards
The first test is straightforward: put a group on paper at 25 yards.
Caleb uses a 20-round Colt-pattern magazine for the bench portion. Besides looking right at home in a classic-style 9mm AR, the shorter magazine is convenient when shooting from a bench.
Using the red dot, Caleb fires a nine-shot group.
Checking the Blowback System
Before heading downrange, Caleb takes a look at how the gun is behaving.
This 9mm AR uses a straight-blowback operating system, so there isn't a conventional gas system to evaluate.
Instead, Caleb looks at the ejection pattern and pays attention to the recoil impulse.
Everything is ejecting where he wants it, and the hydraulic buffer used in the build makes a noticeable difference.
Caleb can feel the recoil impulse followed by the hydraulic buffering effect as the system cycles.
25-Yard Group Results
At the target, the nine-shot group confirms that the PCC is delivering the accuracy Caleb wants from this type of firearm.
The point of impact could use a minor adjustment relative to his aiming point, but the overall group is more than adequate for the applications Caleb has in mind for the build.
With the paper test complete, it's time to move over to steel.
Running the 9mm PCC on Steel
Caleb heads into the trench system and runs the PCC across several steel targets.
The goal isn't simply to shoot the closest targets. He also stretches the 9mm out to one of the more distant pieces of steel on the range.
That target is estimated at roughly 150 to 200 yards.
Stretching a 9mm PCC to 200 Yards
At that distance, Caleb needs considerably more holdover than he does on the closer targets.
Rather than having a predetermined hold, he works the red dot upward until he starts getting impacts.
Once he finds the appropriate hold for the target, the hits become consistent.
It's a useful demonstration of what the PCC can do beyond typical close-range distances while also showing the increasingly significant trajectory of 9mm as the range increases.
Colt Magazine Reload
Caleb also works a reload during the run.
The reload itself doesn't go quite as smoothly as planned, but the problem isn't the PCC.
Caleb had spent several hours the previous day shooting his BRN-4 with an ambidextrous lower receiver. When he transitions back to this conventional AR lower, his muscle memory sends him looking for a control that isn't there.
The result is a fumbled reload and a good reminder that familiarity with one control layout can carry over when switching between different rifles.
Viktos Dust Up Pants Magazine Pouch
Caleb also gives a quick mention to the Viktos Dust Up Pants he is wearing.
The integrated magazine pouch gives him a convenient place to carry the spare Colt-pattern magazine during the range run.
With the long, straight profile of a Colt 9mm magazine, having an accessible place to carry the spare works particularly well for this test.
9mm PCC Reliability
The biggest takeaway from the range session is simple: the gun runs.
The Colt-magazine setup functions properly, the straight-blowback system ejects consistently, and the hydraulic buffer produces the recoil characteristics Caleb was hoping for.
The PCC also demonstrates good practical accuracy at 25 yards and enough consistency to make hits on steel much farther downrange once Caleb determines the necessary hold.
Final Thoughts on the Brownells 9mm AR Build
The finished 9mm PCC delivers what Caleb was looking for when he put the project together.
It combines the classic look of Colt-pattern magazines with a compact suppressed upper, Dead Air RXD 910Ti, ModTac suppressor shield, hydraulic buffer, and red dot sight.
More importantly, the finished build performs reliably at the range.
Caleb keeps the first run through the steel course rather than repeating it until everything looks perfect. The reload may not have been flawless, but the PCC itself does exactly what it is supposed to do.
If you have questions about the 9mm PCC build or any of the components used in it, leave them in the comments. As always, if you need help with your setup, give the Brownells Tech Line a call. We'll be happy to help.
