You might be wondering what this is. Simply, this guide is just information to help you make decisions. Right now I'm covering Red Chests, Blue Chests, and Stalker trades.

Trade = Any item sold by a Stalker.
Gunsmith = A weapon that can be upgraded at South Bend.
Shop = Items found from merchants who usually take money as payment.

Helmets (other):
Field Specialist Helm, Tac Rebreather Mask, Ballistic Mask, HazOp Mask, Tac HeadSet, Trench Runner Helm, Scav Helm, Scouter, Tac Light

Body Armor (other):
Composite Vest, Insulated Jacket, Bandit Jacket

Unsorted guns (other):
Chiron 61 AR, R-100 LMG, TR 77 HCR, Scoped 9mm Carbine, 9mm Carbine, Cut-Down Rifle, Custom RH-55 Battle Rifle, MP-8 Guard, Bolt-Action Rifle, Bolt-Action Sniper Rifle, Chiron 61 AR, Scoped 45 Carbine, BR-61 Battle Rifle, 45 HMP Custom, PK-58B Battle Rifle, SG 71-A, KRM 54 Night-Hawk, KRM 54 Guerrilla, Type 15-B Security SMG, 4-54 Automatic, PK-46 HAR, M-TR14 Carbine, M-TR14 Assault Carbine, PKT-55 Carbine, Bendell 8 Shotgun, TR 77 HCR, Type 04 Army Shotgun, Drak-V 57 U, Riktor 45 Magnum, A-MP 64, Suppressed PKP-11 Pistol, Cut Down Venator 900, Type 12 Custom, SR 78 Sentry, Type 33 Rifle, H-SMG 45, Cobra 53, Scoped PKT-52 Scout Rifle, M-77 LAC, Type 18 Combat AR, Model 1931, M 1913

Other Trades:
Anti-Toxin Pollyp, Wraith Core, Singularity Bomb, Red Coin, Gold Mushroom, Spade, Machete

Helmet:
White Impala, Stalker Ace, Combat Officer Helm, Winter Trooper Helm, Night Vision Goggles (Shop), Ballistic Helmet, Scav Helm, Standard Infantry Helm, Cult Gas Mask

Body Armor:
Stalker Pro, Militia Light, HazOp Gear, Cultist Insulated Jacket, Tech Rig (Trade), Molle Heavy Rig, Contractor Vest (Trade), Cultist Jacket, Medium Plate Armor (Trade), Infantry Standard

.50 Cal:
Break-Action .50 Anti-Mat (Shop)

.338 Magnum:
SR 78 (Trade/Counter Sniper)
SR 78 HCS

12-Gauge Shell:
SG 71-B Custom (Gunsmith).
Scoped Break-Action Shotgun

.30-60 Full Rifle:
Scoped Type 33 Rifle (Gunsmith/Trade), Long Barrel Venator 900 (Gunsmith/Trade), BR-61C Compact Rifle (Gunsmith/Trade), PK-46 Custom (Gunsmith/Trade)
Scoped RH-55 Battle Rifle (Gunsmith), Scoped BR-61 Battle Rifle (Gunsmith)
BR-61 DMR (Trade), Suppressed Bolt-Action Rifle (Trade)
TR 77-C SAW

5.56 Intermediate:
Scoped M-77 LAC (Gunsmith/Trade), Type 18 CQC (Gunsmith/Trade), M-TR14 Long-Barrel (Gunsmith/Trade), Cobra 81 (Gunsmith/Trade), Cobra 53-B (Gunsmith/Trade), DRAK-V 57 (Gunsmith/Trade), M-77 Army LAC (Gunsmith/Trade) Type 18-M AR (Gunsmith/Trade)
Tac PKT-55B (Trade), 626 T-AR (Trade)
Chiron 84 Compact

.45 Cal:
Riktor 45 Custom (Gunsmith/Trade), Jackal 45 Carbine (Gunsmith/Trade), Custom H-SMG 45 (Gunsmith/Trade)
45 HMP Long-Barrel (Trade)

9mm:
Custom A-MP 64 (Gunsmith/Trade), Little Assassin (Gunsmith/Trade), 4-54 PDW (Gunsmith/Trade), Model 1931 Carbine (Gunsmith/Trade), Tactical Type 12 Pistol (Gunsmith/Trade)
901 Automatic, Type 15-HL

Other:
Eather-Flux Scanner, Singularity Bomb, Luftballoon

Helmet:
HazOp Trooper Helm, Tactical Night-Ops, White Fox Helm, EVA Helm, Revenant Helm

Body Armor:
Super Heavy Armor, Heavy Plate Armor

.50 Cal:
Kruger Auto-50, Kruger 50-B, Anti-Mat Rifle

.338 Magnum:
Type 93F MCR, Type 93 CSR, SR 78 Short-Barrel

12-Gauge Shell:
Agis Auto-SG 700, SG 71-A Suppressed, SG-71 ‘Chimera’

.30-06 Full Rifle:
R-100 Night-Watch (Gunsmith).
Type 33 Rifle (suppressor), PK-58C Tac BR, Suppressed BR-61 DMR, PK-46 Grenadier, TR 77-F HCR, Venator 900, TR 77-B Loki

5.56 Intermediate:
M-TR14 Tactical Carbine, Tactical 626 T-AR, Type 18-G Assault Rifle, Tac DRAK-V 57, Type 18-C Spector, M-77D LSAW, KRM 54 Loki

.45 Cal:
Tac H-SMG 45 (Trade)
Tac 45 Auto-Mag

9mm:
Type 15 Tactical SMG

Eather:
Plasma Repeater, K-94 M.A.W.

60mm Rocket:
TS-KWP 41-C