how to get the swiss k31 in cold war

To get the Swiss K31 in Call of Duty: Black Ops Cold War, you can follow these steps:

Method 1: Complete the in-game challenge

1. Reach level 4 in the game to unlock the Sniper Rifle category.
2. Go to the "Sniper Rifle" category in the multiplayer menu.
3. Look for the "Swiss K31" rifle and select it.
4. To unlock the Swiss K31, you need to complete a challenge: "Using Sniper Rifles, get 3 Quick Scope kills in 15 different matches."
5. Complete the challenge by getting 3 Quick Scope kills with any Sniper Rifle in 15 different matches.
6. Once you complete the challenge, the Swiss K31 will be unlocked and available for use.

Method 2: Purchase the " LAW Tactical" Blueprint

1. Go to the in-game store.
2. Purchase the "LAW Tactical" Blueprint, which includes the Swiss K31 rifle.
3. The Blueprint costs 800 COD Points.

Method 3: Get it through the Battle Pass

1. Purchase the Season 2 Battle Pass.
2. Reach Tier 27 in the Battle Pass to unlock the Swiss K31 rifle.

Please note that the availability of the Swiss K31 may change with future updates or seasons, and the methods to unlock it may also vary.