Hey guys,
Hopefully people find this informative and entertaining.

I was looking for a CA legal platform shorter than a 14.5" AR15, but more versatility than a pistol. It shares the benefits of a bullpup, in that it's balanced and ideal for CQB. Empty it weighs in at 6 lbs and OAL is 26." Hera Arms has had these Triarii for a while but for some reason I haven't found many reviews or content, at least in English anyway. It wasn't until the SigTac ArmBrace that this became more viable for me.

It basically allows you to use a Glock 17 unmodified and wrap it within a frame, extending your options on your platform. It's still classified as a pistol but you more or less have a semi-auto SMG or pistol carbine, however you'd like to call it. I have a Lone Wolf Distributed 9" barrel on backorder, but still wanted to test it out with a 4.5" barrel.
Configuration:
Glock 17 OD
- Trijicon night sights
- Glockworkx fulcrum trigger kit
- LaserMax Green Guide Rod
- (Back-ordered) LWD 9" Glock barrel
Hera Arms Triarii
- Primary Arms Micro Dot
- A.R.M.S. 71 LR flip up sights
- Sig Tac Arm Brace

So far I've taken it to the range a couple of times and fired about 250 rounds total. The enhanced trigger kit and added weight of the Triarii frame make this an amazingly soft shooting gun. A friend's words described it as he took aim, pulled the trigger, heard the sound, felt nothing... his expression as quite rewarding. Since the barrel sits in the frame, the muzzle flash is almost non-existent from the sides as well.

The Triarii uses the Glock rail to lock itself in to the pistol, so I installed a LaserMax Green rod so it could be used with and without the Triarii. Lots of pros and some cons with that piece as well. Combined with the PA Micro dot pointed at a target you also get a range finder as well. When pointing at a target at the zeroed range both the laser and RD are on one another. If closer then the green is below the RD, further, then the green laser is above the RD. This so far has helped me to compensate my aim between 7, 15 (zero), and 25 yards. The green laser also shuts off when the slide is locked back so I know I'm out.
Downsides I've discovered so far. Since the Triarii frame covers the muzzle all that gun powder collects in the the frame and around the glock front site.

The only part that's not covered is the area where the charging handle sits on the glock slide to allow you to rack the slide. Even the green laser got covered up, but amazingly still visible even at 25 yards (inside). I feel this would prolly be more difficult to see outside though. I do believe the longer barrel will eliminate this issue though as the muzzle will only be ~2 in. inside the frame instead of ~ 6 in. and the blast will be much further away from the green laser.


The fact that the frame sits 6" in front of the muzzle leads me to what you see above... it seems like some of the rounds actually hit the locking lug, which prevented me from unlocking my glock form the Triarii on my second trip. I did not run into that issue on my first visit which i fired 100 rounds that trip. To their credit, I managed to unlock it later when I realized what happened by chipping away at the lead and copper keeping it from turning.. Germans definitely built this well. My friend noted to me a couple of times when he thought the sights were off because it was hitting low... I think some of the rounds were glancing off the locking lug.
In short, this configuration allows me to easily do accurate double taps, its cheap to shoot, I can shoot steel targets since it's pistol ammo, its compact, and its about the same price point as an AR pistol. It doesn't modify your existing Glock. It's different but uses a common platform for parts (Glock and I think Sig as well?). It's well balanced and I can still fire it 1 handed and with a 2 handed pistol grip since the balance is centered around the grip.
Hopefully people find this informative and entertaining.

I was looking for a CA legal platform shorter than a 14.5" AR15, but more versatility than a pistol. It shares the benefits of a bullpup, in that it's balanced and ideal for CQB. Empty it weighs in at 6 lbs and OAL is 26." Hera Arms has had these Triarii for a while but for some reason I haven't found many reviews or content, at least in English anyway. It wasn't until the SigTac ArmBrace that this became more viable for me.

It basically allows you to use a Glock 17 unmodified and wrap it within a frame, extending your options on your platform. It's still classified as a pistol but you more or less have a semi-auto SMG or pistol carbine, however you'd like to call it. I have a Lone Wolf Distributed 9" barrel on backorder, but still wanted to test it out with a 4.5" barrel.
Configuration:
Glock 17 OD
- Trijicon night sights
- Glockworkx fulcrum trigger kit
- LaserMax Green Guide Rod
- (Back-ordered) LWD 9" Glock barrel
Hera Arms Triarii
- Primary Arms Micro Dot
- A.R.M.S. 71 LR flip up sights
- Sig Tac Arm Brace

So far I've taken it to the range a couple of times and fired about 250 rounds total. The enhanced trigger kit and added weight of the Triarii frame make this an amazingly soft shooting gun. A friend's words described it as he took aim, pulled the trigger, heard the sound, felt nothing... his expression as quite rewarding. Since the barrel sits in the frame, the muzzle flash is almost non-existent from the sides as well.

The Triarii uses the Glock rail to lock itself in to the pistol, so I installed a LaserMax Green rod so it could be used with and without the Triarii. Lots of pros and some cons with that piece as well. Combined with the PA Micro dot pointed at a target you also get a range finder as well. When pointing at a target at the zeroed range both the laser and RD are on one another. If closer then the green is below the RD, further, then the green laser is above the RD. This so far has helped me to compensate my aim between 7, 15 (zero), and 25 yards. The green laser also shuts off when the slide is locked back so I know I'm out.
Downsides I've discovered so far. Since the Triarii frame covers the muzzle all that gun powder collects in the the frame and around the glock front site.

The only part that's not covered is the area where the charging handle sits on the glock slide to allow you to rack the slide. Even the green laser got covered up, but amazingly still visible even at 25 yards (inside). I feel this would prolly be more difficult to see outside though. I do believe the longer barrel will eliminate this issue though as the muzzle will only be ~2 in. inside the frame instead of ~ 6 in. and the blast will be much further away from the green laser.


The fact that the frame sits 6" in front of the muzzle leads me to what you see above... it seems like some of the rounds actually hit the locking lug, which prevented me from unlocking my glock form the Triarii on my second trip. I did not run into that issue on my first visit which i fired 100 rounds that trip. To their credit, I managed to unlock it later when I realized what happened by chipping away at the lead and copper keeping it from turning.. Germans definitely built this well. My friend noted to me a couple of times when he thought the sights were off because it was hitting low... I think some of the rounds were glancing off the locking lug.
In short, this configuration allows me to easily do accurate double taps, its cheap to shoot, I can shoot steel targets since it's pistol ammo, its compact, and its about the same price point as an AR pistol. It doesn't modify your existing Glock. It's different but uses a common platform for parts (Glock and I think Sig as well?). It's well balanced and I can still fire it 1 handed and with a 2 handed pistol grip since the balance is centered around the grip.
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