Okay, so I’ve been messing around with this Second Line Mammoth Heavy Barrel thing in Call of Duty. Let me tell you, it’s been a ride. First off, I got my hands on this attachment, thinking, “Alright, let’s see what this bad boy can do.” I slapped it onto my AR, and boom, right off the bat, I noticed a difference.
The first thing I did was jump into a match. I started firing, and man, the bullets were flying faster and hitting harder. I was like, “Whoa, this thing packs a punch!” It seriously increased the bullet velocity and range by a ton. I felt like I could hit enemies from way further away, and they were dropping like flies.

Then, I wanted to see how stable it was. So, I paired it up with this Casus Brake. Let me tell you, that combo is killer. The recoil was way more manageable, and I was spraying bullets like a madman, but they were all landing right on target. It was like the gun was glued to my hands or something.
I also messed around with different sights. I tried the QTG Reflex Sight, and it was pretty sweet. Gave me a clear view of those suckers I was trying to take down. Then, I switched to the Slate Reflector, and that was even better. I could track enemies like a hawk. It was awesome.
- Tried it with the Second Line Mammoth Heavy Barrel.
- Paired it with the Casus Brake for stability.
- Experimented with the QTG Reflex Sight and Slate Reflector.
I also experimented with the grip and magazine. I put on the RB Talon-X3 Grip and the XRK Edge BW-4 Handstop, and it felt like I had total control over the gun. And with the 40 Round Mag, I barely had to reload. It was like a non-stop barrage of bullets. I managed to make it work really well.
After all that testing and tweaking, I finally nailed down a setup that I really like. It’s a beast of a combination. I’m taking down enemies left and right, and I feel unstoppable. This Second Line Mammoth Heavy Barrel is a game-changer, no joke. It is definitely worth giving it a shot. Trust me, you won’t regret it.
To sum it up, I started with just the barrel, added some stability, played around with sights, and then perfected the grip and magazine. Now, I have a killer loadout that’s dominating the battlefield. It’s been a fun ride, and I’m excited to see what else I can do with this setup.
Final Thoughts
So yeah, that’s my experience with the Second Line Mammoth Heavy Barrel in Call of Duty. I went from a curious noob to a seasoned veteran, all thanks to this attachment. It’s been a wild ride, and I’m still having a blast experimenting with it. If you’re looking to up your game, I highly recommend giving it a try. You might just surprise yourself with what you can achieve.