Estimated studying time: 9 minutes
As a fan of pistol caliber carbines and retro weapons, my nickers had been completely in a twist when a Rock River Arms LAR-9 with a hard and fast carry deal with popped up at my native public sale. I needed it so dangerous, and for some motive, I used to be one of many few within the crowd who cared. I fended off a complete of two different bids to grab up the LAR-9.
After I paid so little for the gun, I felt the necessity to exit the public sale earlier than somebody realized their mistake. I had the right mixture of my two pursuits for little or no cash. The Rock River Arms LAR-9 seemed and felt slick and delivered that retro 9mm SMG look. It vibes like an outdated Colt SMG, and it’s clear the place Rock River Arms got here from after they produced the gun.
Rock River Arms Historical past
Rock River Arms has a fairly lengthy AR-15 historical past. It was one of many few AR firms to pop up earlier than the tip of the 1994 Assault Weapons Ban. Rock River Arms started producing AR-type rifles in 1997 and continues to make trendy rifles. It’s robust to seek out a lot historical past on this early LAR-9.
Rock River Arms has fairly a repute. In 2003, they outperformed ten different firms to realize a 5,000 rifle contract with the DEA. Shortly after, the FBI and US Marshals bought ARs, particularly the 5.56 LAR-15. Rock River Arms was chosen to arm the Iraqi Particular Forces in post-Saddam Iraq. I realized all this, however I couldn’t discover a lot on the carry deal with variant of the LAR-9. The LAR-9 remains to be produced as each a pistol and rifle with the trendy flat high higher design.
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What Are We Wanting At With The LAR-9
The Colt SMG was the primary broadly produced 9mm AR design. The LAR-9 takes cues from the Colt SMG and later Colt 9mm rifles. It’s not an SMG, and it doesn’t have a ten.5-inch barrel however a 16-inch barrel. The gun includes a six-position inventory and old-school plastic M4-style handguards.

Now we have the twin aperture peep sight in an A2-like configuration. The A2-style sights with the drum beneath the rear sight appear pointless for a 9mm rifle. That is doubtless as a result of they used the identical carry deal with higher for the LAR-9 as they did for the LAR-15. Mass-producing one higher reasonably than a brand new one for a 9mm carbine is simpler.
One profit the LAR-9 had over older Colt SMGs was the devoted decrease. Previous Colt SMGs used {a magazine} block pinned into the receiver. Rock River Arms machines the decrease with an adequately sized magwell. As you’d think about, this factor doesn’t use a Glock journal.

As an alternative, it makes use of the basic Colt SMG journal, which is only a modified Uzi journal. In contrast to a Glock journal, it’s a double-stack and double-feed journal. Folks extra clever than I say these magazines are extra dependable than a submachine gun. I doubt it makes a distinction in a rifle.
They’re simpler to load and shorter than Glock magazines. Plus, they’re all steel and reasonably hefty. They all the time fall out once you press the journal launch button. Today, most Glock carbines have some type of last-round bolt hold-open system, however it’s not assured. Colt SMG mags and weapons have an LRBHO system.
Capturing the LAR-9
Within the AR world, the commonest methodology of operation is direct blowback. In 1997, direct blowback was all we had. No fancy radial delayed stuff. Predictably, the LAR-9 offers us that direct blowback expertise. Direct blowback weapons are inclined to have recoil that’s roughly on par with a 5.56 rifle, which regularly makes 9mm ARs a tricky promote.

The LAR-9 isn’t fairly that dangerous. You’ll be able to enhance the recoil impulse with a direct blowback AR by adequately balancing the buffer, buffer spring, and bolt weight. Rock River Arms did a unbelievable job of smoothing out the LAR-9’s recoil impulse. It’s not as clean as a CMMG Banshee, however it’s not as violent as different blowback 9mms.

By way of the 16-inch barrel, there isn’t a concussion. It’s tremendous cozy to shoot, together with at indoor ranges. Indoor vary use is among the most important advantages of a PCC. The LAR-9 has delicate recoil and minimal muzzle rise, so it’s a straightforward shooter. It’s controllable, and placing six rounds into an A zone takes lower than two seconds from the low prepared.
All The Accuracy
The A2 sights are famed for his or her over-the-top nature. They’re form of insane for an infantry rifle. They’re goal sights greater than fight sights. Nonetheless, I flipped up the broader aperture, did a fast zero, and embraced the carry deal with iron sights. It’s been some time since I did the carry deal with dance, however when you’ve realized the steps, it’s simple to slip again in.

I trotted 100 yards downrange and did what I name the “minute of bad-guy” take a look at. I do that with shotgun slugs and PCCs. It’s easy. I arrange a Sage Dynamics printed goal on customary letter-sized paper and fired 5 rounds. If the 5 rounds hit the goal at 100 yards, it’s a “minute of bad-guy” correct.
The LAR-9 landed all 5 rounds onto the paper, three of the 5 hitting within the heart of the paper and two hitting slightly decrease on the paper. For a PCC, that’s fairly good. The 9mm spherical isn’t made for 100-yard utilization, so you’ll be able to’t anticipate a real 1 MOA PCC. With the LAR-9, I swapped to the precision aperture and aimed on the high of the paper. The rounds lobbed themselves proper into the goal.

I can create one ragged gap in a goal at 25 yards from the off-hand place. That is actually correct sufficient for the close-range shooter. The iron sights aren’t optimum in 2024, however they nonetheless get the job finished.
Slapping Metal
Reliability wasn’t an issue. I had some Colt SMG mags from ASC, they usually work properly. They’re hefty, black, and rattling dependable. The magazines sustain with all my rapid-fire capturing. Colt magazines insert straight inward and drop as quickly because the journal launch is pressed.

All my capturing was finished with 115-grain FMJs. It’s probably the most primary of 9mm ammo and works properly by way of the gun. The LAR-9 eats it up and spits it out. The outdated beast nonetheless delivers excessive ranges of reliability. Blowback weapons won’t be optimum, however they’re dang certain dependable.
READ MORE HERE: The Greatest PCC Optics Out There
The Little LAR-9 That Might
Admittedly, this isn’t a elaborate little factor. The plastic M4-style handguards and plain Jane six-position inventory wouldn’t ever be thought-about fancy. It’s only a easy gun from the late 90s, and it reveals. I don’t intend to try to tacticalize it, however I’m contemplating some period-appropriate upgrades.

If I can discover one, I’ll seize a Surefire M500 handguard with built-in mild. A gooseneck mount with one thing like a COMP 3 Aimpoint would even be good. I’d give it that early 2000s attraction with out protecting it in M-LOK.
I snagged this rifle for affordable, and it’s a stable platform. I’ve seemed on the trendy Rock River Arms 9mm rifles and pistols, and I discover it difficult to justify the worth RRA desires. In a world the place these items are all over the place, asking over a grand for a blowback 9mm appears nuts. Numerous firms are producing high-quality, trendy 9mm ARs for lots lower than that.
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