Sometimes you have to play it safe when you want to survive your PUBG encounter. You may need to pick your targets on an interim basis, and if you want to make sure that you have a clear advantage, you have to keep your distance. It also helps keep track of your teammates on the ground, so you can coordinate long-range battles. The best way to do this is with a sniper rifle, and there are a handful of choices available to you in PUBG. Some of them offer more upgrades than others, which you should always consider.
Mini-14
Image via PUBG CorporationWhen looking for a reliable long-range rifle that you can shoot freely at the hip, the Mini-14 is a great option. You can modify the magazine, muzzle, and weapon sights, giving you plenty of choices to have it serve as a mid-range weapon, or use it strictly from a distance. But you can't use it too far. The Mini-14 starts to lose damage beyond 90 yards, limiting the total distance you want to shoot it from. However, this is a great weapon to have in your inventory as the circle begins to close around you.
Kar98k
Image via PUBG CorporationThe Kar98k is arguably PUBG's most notable sniper rifle as it has been a part of the game since launch. When this is the case, players who successfully land a headshot with this weapon consistently take down most opponents with rapid fire. Only a person wearing a level three helmet can survive a headshot with this weapon. The downside is the amount of ammo in the gun's magazine, it's a bolt action rifle, and it takes forever to reload. You can modify the muzzle, sights and butt of the weapon. You may prefer this weapon simply because it's a powerful sniper rifle that you can find anywhere in the game, and you don't need to receive it from an air drop.
AWM
Image via PUBG CorporationThe AWM is easily the most powerful sniper rifle in PUBG. You can modify its magazine, muzzle, sights and stock, but only with the cheek pad. It works best at great distances, able to take down most players with a well-placed headshot, regardless of what helmet they're wearing. Unfortunately, you can only acquire this weapon from airdrops, making it a problematic rifle to locate. Plus, it has exceptionally long reload times, unique ammo you can only get from an airdrop, and without a suppressor it's easily heard by everyone. You want to pick up and use this weapon with care.
SKS
Image via PUBG CorporationWhen you're unsure whether you need an assault rifle or a sniper rifle to get around your PUBG build, the SKS is a suitable choice. The downside is that it has a significantly slower rate of fire than any assault rifle, but those who timing their shots and have some degree of patience will find themselves in the final circle with an SKS in hand. It's not as powerful as the Kar98k or the AWM, but it does enough damage, and if you're quick enough you take down an enemy in a few rounds before they react. Some may prefer the SKS over the Kar98k due to the number of modifications you can make to the weapon, such as adding to the weapon's bottom rail, magazine, muzzle, sights and its stock, but only with the cheek pad.
QBU
Image via PUBG CorporationIf you like to lay down while aiming the sights of your sniper rifle, the QBU is your first choice. The weapon comes with a built-in bipod that deploys whenever you tend to shoot, and it dramatically reduces the recoil you feel after firing it. You can even use it reliably at close range as if you were using an SKS or a Mini-14. The downside is that you can only find it on the Sanhok map. You can change the weapon's magazine, muzzle, and sights.
M24
Image via PUBG CorporationInitially, you could only find the M24 through airdrops, much like the AWM. However, players can now find it freely around the map just like any other weapon. It's a powerful bolt-action sniper rifle at the height of the Kar98k, but it doesn't do as much damage and has a faster reload speed. You can use it at a greater distance than the Kar98k, and you can modify its charger, muzzle, sights, and stock. When you meet the two, it's a draw that's the best. It all comes down to your personal preferences and what you think you should use, given your PUBG Game.