Merge Heavy Firearms & Raid Bases in Build a Gun Army
Your ultimate military tycoon and weapon merge companion. Active promo codes for free Gun Crates and Gems, full weapon evolution recipes, firearm tier lists, and army DPS calculators.
Latest Active Promo Codes
Verified working Gun Crates & Gems for August 2026
S-Tier Divine & Cyber Apex Weapons
Tier 9 & 10 military firearms delivering over 30,000+ DPS with armor penetration and wall-piercing lasers
The ultimate firepower apex weapon in Build a Gun Army. Shreds enemy base walls, heavy armor tanks, and boss mechs in seconds with superheated blue plasma beams.
Electromagnetic sniper rifle firing supersonic tungsten slugs. Penetrates multiple enemy bunker walls and eliminates high-value commanders from across the map.
Army DPS & Raid Calc
Calculate total battalion firepower and projected cash rewards per enemy base raid.
Merge & Raid Guide
Master weapon merge chaining, base turret positioning, and boss raid attack orders.
Mech Artillery Patch
Explore the Tier 10 Divine Plasma Minigun, 64-soldier barracks, and active promo codes.
Frequently Asked Questions
What are Build a Gun Army codes?
Codes in Build a Gun Army give free Gun Crates, Gems, Damage Potions, and Soldier Recruit Tokens to merge divine military weapons faster.
What is the strongest gun in Build a Gun Army?
The Tier 10 Divine Plasma Minigun (45,000 DPS) is the most powerful weapon in the game, featuring continuous laser overheat beams that ignore 80% of enemy armor.
How does weapon merging work in Build a Gun Army?
Combine two identical tier firearms in your base armory to craft the next higher-tier weapon with multiplied DPS and special combat traits.