7 weapons match your filters.
.308 Carbine
The .308 Carbine is a bolt-action hunting rifle that doubles as a sniper. Its unique versions El Depredador and Sobek Special make it a strong early long-range pick, and Sobek Special comes from the Cache Money treasure hunt.
Kobracon
The Kobracon, listed as the M82, is a sniper rifle that fires only blast rounds. It takes no attachments beyond its scope, and the wiki rates it the weakest sniper in Far Cry 6.
M38
The M38 is a bolt-action sniper rifle new to the series in Far Cry 6. You get its versions from the Motherland Bundle or Lola's Black Market.
Image: UbisoftMBP .50
The MBP .50 is a bolt-action sniper rifle in .50 BMG with no built-in scope. You attach optics yourself, and its unique El Tirano was meant to kill El Presidente.
SA-50
The SA-50 returns as the M6 Lynx, a semi-automatic .50-class sniper rifle you only get as a named variant. Its stopping power is close to the MBP .50, with faster follow-up shots.
SVD
The SVD is a semi-automatic sniper rifle that lets you fire again quickly through Yara's jungle. Its unique The Transubstantiator is lying near the True Yaran Academy in Noventarmas.
Yaran SR-A
The Yaran SR-A is a locally made bolt-action sniper rifle and the standard FND sniper gun. It holds 10 rounds, more than most bolt-action rifles.