BO7 Season 3 Weapon Balance Guide: Every Buff & Nerf

Treyarch deployed the BO7 Season 3 weapon balance patch on April 2, 2026, and it is, objectively, one of the more sweeping balancing passes the game has seen. Dozens of weapons touched, several buried, a handful resurrected from the meta graveyard they have been decomposing in since launch. Credit where it is due: even if most of you won't.

The stated philosophy is familiar: reduce dominance at the top, raise the floor at the bottom, diversify viable playstyles. Admirable. Noble, even. The Swordfish A1 has been terrorizing lobbies since Season 2 Reloaded dropped it into the game, and at minimum, something had to be done. Whether that something was sufficient is a different conversation: one covered in its own section, where the answer is "probably not, but let's see."

The core focus this season was threefold: nerf overperforming burst weapons, buff underused SMGs and ARs via torso-zone multipliers, and improve conversion kits and mods that were frankly embarrassing to run in a lobby.

This guide covers every primary weapon category: assault rifles, SMGs, shotguns, LMGs, and marksman rifles: with before/after context, time-to-kill implications, and a frank assessment of whether these changes actually matter. There is also a complete reference table, an FAQ, and SEO metadata at the bottom for whoever still thinks organic search is a personality.

BO7 Season 3 Weapon Balance Guide: Assault Rifles

Assault rifles received the most complex treatment this patch. Some were nudged, some were genuinely improved, and one: the M15: was quietly punished for being too popular. As is tradition.

M15: Recoil Nerf

The M15 picked up increased view kick and gun kick strength, along with higher kick deviation. In practice, this means your first few shots now jump more than they used to, particularly noticeable at range. The gun remains controllable once it settles, which means if you have functioning hands you will adapt within two games. If you do not: well, the patch notes are not a therapy referral.

AK-27: Minor Buff

The AK-27 Black Ops 7 Season 3 changes are humble enough that calling them a buff feels generous. Four-shot kill range extended by approximately 2 meters. Aim-down-sight time trimmed from 270ms to 260ms. The Battle Scar conversion kit is more interesting: an upper torso and neck multiplier now allows two-shot kills up close when both bullets connect to that zone, or one headshot in the mix. Time-to-kill drops to 149ms. That is genuinely fast, assuming your aim is consistent enough to make it relevant, which, statistically, most of you should assume it is not.

MXR-17: Buff to Base + ANVL Conversion Rework

The MXR-17 also received an upper torso and neck multiplier, enabling a three-shot kill to the body: provided two of those three land in the zone, or one headshot is mixed in. Three-shot TTK sits at 240ms, which is competitive for an assault rifle. The MXR-17 ANVL conversion kit Season 3 received a more substantial rework: minimum fire rate raised from 333 RPM to 400 RPM, the number of rounds before fire rate drops increased from 18 to 25, and the reset time after releasing the trigger dropped from 370ms to 240ms. That reset time was the core issue: 370ms is nearly four tenths of a second of dead time every time you let off, which is an eternity in a gunfight. At 240ms it becomes something a living human might actually tolerate.

X9 Maverick: Rapid Fire Adjustment

Rapid Fire on the X9 Maverick now reduces burst delay by ~9ms, bringing the four-shot TTK from 482ms down to 473ms. The cost: heavier range and velocity penalties, and more recoil. On paper this is a buff. In reality, the pre-patch version with fewer penalties was more accurate and the TTK difference is invisible in a real gunfight. You can file this one under "intended as a buff, functionally a lateral move that also made the gun worse at range."

DS20 Mirage: Handling

ADS time improved by 10ms. Congratulations. That is genuinely it.

The Peacekeeper received a notable horizontal recoil improvement. Pre-patch it bounced unpredictably; post-patch the pattern is tighter and more predictable. For a weapon that has been on the edge of viability for most of the game's lifespan, this is a legitimate quality-of-life win.

M15

Assault Rifle

Nerf

• View kick + gun kick strength increased
• Higher kick deviation on initial shots
• Remains accurate after settling

AK-27

Assault Rifle

Buff

• 4SK range +2m
• ADS: 270ms → 260ms
• Battle Scar kit: 149ms TTK potential

MXR-17

Assault Rifle

Buff

• Upper torso/neck multiplier added
• 3SK TTK: 240ms
• ANVL Mod reworked: reset: 370ms → 240ms

X9 Maverick

Assault Rifle (Burst)

Mixed

• Rapid Fire now cuts burst delay
• 4SK TTK: 482ms → 473ms
• Range + velocity penalties increased

Peacekeeper

Assault Rifle

Buff

• Horizontal recoil reduced
• Tighter, more predictable pattern

BO7 Season 3 Weapon Balance Guide: Submachine Guns

The best SMG Black Ops 7 Season 3 conversation is now significantly more interesting. Several underperformers were given real attention this patch, and one gun that was quietly dominant had its teeth filed down. Here is how it shakes out.

Kogot-7: Attachment Nerfs

The base Kogot-7 was not touched. Treyarch instead went after the attachments that granted the gun its recoil control advantages. The benefits of recoil-improving attachments have been reduced across the board. Minor individually, cumulative in effect: your tuned Kogot builds are simply worse now than they were last week. No dramatic announcement. Just quieter death by a thousand nerfs to your barrel choices.

Ryden 45K: Range and Handling Buffs

First two damage ranges improved slightly. Handling improvements across the board in the 10ms range. Horizontal recoil reduced: tightened, less drift from center. Not a dramatic transformation, but the Ryden is measurably easier to use post-patch than pre-patch. Which is the point.

RK-9: Minor Across-the-Board Buffs

Damage ranges improved slightly. ADS, slide-to-fire, and dive-to-fire times all shortened by small margins. According to Treyarch's own notes, the RK-9 performs well statistically: players who use it do very well: but not enough people pick it up. These changes are an attempt to lower the friction, not transform the weapon. Consider it a whispered recommendation from the developer.

Razor 9mm: Comprehensive Buff

The Razor 9mm was already among the top SMG options and somehow received one of the more substantial buff packages this season. First two damage ranges improved. Damage values buffed in multiple ranges, enabling a 9-shot kill at maximum distance instead of 10. Handling improved across every stat by 10ms. View kick and gun kick both reduced: the vertical climb has been notably compressed. It is not a laser, but it is considerably tighter than before. The Wildfire conversion kit also saw damage buffs in the first two ranges and improved hipfire spread while sprinting by 15%. Pairing this with Gung-Ho just became a real recommendation rather than an ironic one.

Dravec 45: Nerf

Five-shot kill range reduced by a couple meters. Horizontal recoil increased: the gun now drifts more consistently to the right. The pattern is still predictable and manageable; you will simply need to compensate with left pull. This was one of the more dominant close-range SMGs in the meta, and the developers clearly wanted to reduce its margin of error.

Carbon 57: Buff

Maximum damage value improved to the point where a single headshot mixed with body shots now achieves a four-shot kill without a damage barrel. Headshots are suddenly meaningful on this platform. Handling improved. Carbon 57 buff Season 3 brings this gun squarely into consideration for players who want a versatile mid-range SMG option.

MPC-25: Range + Recoil Improvement

First two damage ranges slightly improved. Small recoil improvement noted in the patch comments: not prominently featured in the main notes, but visible in before/after comparisons where the climb is marginally reduced. The Stratus barrel prestige attachment received a range buff as well, making the penalty of equipping it less severe. The MPC-25's handling and TTK were already excellent; these are maintenance changes, not reinventions.

Treyarch stated they are broadly satisfied with shotgun close-range performance. The Season 3 adjustments are therefore focused on extending far-range viability: not because you should be using a shotgun at 35 meters, but because having a slightly less abrupt falloff curve makes the class feel less punishing.

SG12: Prestige Attachment Nerf

The Pulsefire Tacklight prestige attachment: the binary fire conversion: has been taken out behind the shed. Maximum fire rate dropped from 355 RPM to 224 RPM. Two-shot TTK rose from 169ms to 268ms. That 169ms figure was nearly untouchable against any weapon in the game; at 268ms it now sits in the range where SMGs will reliably outgun it in a sustained fight. On top of that, tactical stance spread while using the attachment increased by approximately 30%. Combined, this ends the era of the SG12 making every other close-range class feel existentially irrelevant. The base weapon remains strong. The prestige attachment is now merely very good instead of oppressively dominant.

M10 Breacher: Range Buff

Maximum hit potential increased from 30.5m to 32.5m. If you are a shotgun user engaging targets at 31 meters, something has already gone very wrong with your life choices, but technically this is an improvement.

Echo 12: Buff

One-hit kill potential improved at 25.4m when all pellets connect. Maximum hit potential extended from 30.6m to 38.1m. The Backlash Launcher kit detonation delay reduced from 200ms to 150ms, with splash damage range also improved. The Echo 12 was already arguably the best base shotgun. Treyarch apparently disagreed with the word "arguably."

Akita: Range Buffs

Three-shot kill potential went from 10.2m to 11.4m. Maximum hit potential from 22.9m to 24.1m. Minor improvements that make the Akita marginally less embarrassing at its outer edges.

The SG12 Pulsefire nerf is the most impactful shotgun change in the patch. If you have been running that attachment for the last two seasons, this is the patch that ends that relationship. Mourn privately.

BO7 Season 3 Weapon Balance Guide: Light Machine Guns

LMGs occupy a consistent position in Black Ops 7: technically viable, regularly ignored, existentially unappreciated. Season 3 includes targeted improvements to two specific weapons and a class-wide quality-of-life adjustment worth knowing.

SOAL 545: Major Buff (Low RPM Mode Only)

A new torso multiplier has been added exclusively to the SOAL 545's low rate-of-fire mode. Landing two of three shots to the torso zone in the maximum damage range now achieves a three-shot kill, with a TTK of 218ms. Additionally, firing ADS movement speed penalty dropped from 20% to 17.5%. The low RPM mode previously had a respectable damage profile but lacked the multiplier structure to compete with other options. Now it does. The SOAL 545 LMG build BO7 meta conversation has changed.

Mark 78: Handling Improvement

Firing ADS movement speed penalty reduced slightly. The Mark 78 remains a deliberate, slow platform: this change makes it feel marginally less punishing when strafing while actively firing, which is the most optimistic framing available.

Fast Mag attachments across the LMG class now reduce pre-fire delay: the brief pause before an LMG can fire that has historically limited the class's viability in aggressive play. This is a systemic change that affects every LMG, not just the two mentioned above.

This is what you are actually here for. The Swordfish A1 nerf Season 3 is the dominant narrative of this patch: a weapon that has sat at the top of the marksman rifle tier since its introduction in Season 2 Reloaded, and has now been handed a formal reprimand. Whether it is enough is the only question worth asking.

Swordfish A1: Nerf

Treyarch reduced base damage values and introduced an upper torso and neck multiplier zone. To achieve a three-shot kill in the maximum damage range, two of those three shots must now hit that upper zone: or one headshot must be included. A four-shot kill remains possible from a single burst, which keeps the gun in the conversation. Headshot multiplier was improved to partially compensate for the damage reduction. Handling stats reduced across the board by 10ms in each category.

Several attachments were also nerfed. The Penturst mod now has higher recoil penalties, though the spread remains controlled. Mobility-enhancing attachments were toned down. Rapid Fire now carries a significantly higher range and velocity penalty alongside more recoil when using it: a combination that severely limits its use as an aggressive pressure tool.

The Swordfish is still strong. The nerf demands slightly more precise shot placement and slightly worse handling. The one-burst kill is still very much on the table. The discourse about whether this was enough will continue until the next dominant weapon emerges and everyone forgets the Swordfish existed.

M8: Rapid Fire Improvement

Similar to the X9 Maverick treatment: Rapid Fire now reduces burst delay in addition to fire rate within the burst, slightly improving spam potential. Range and velocity penalties doubled while using the attachment. Net effect: marginally faster kills when landing bursts, meaningful range tradeoffs when doing so.

Nova Line: Significant Buff

The Nova Line marksman rifle buff BO7 is the most positive story in the marksman category. Base rate of fire within the burst improved from 600 RPM to 750 RPM. The two-shot burst TTK is now 80ms: one of the fastest potential kill windows in the entire game. Recoil remained flat despite the higher fire rate, which is a welcome rarity. With Rapid Fire equipped, rate of fire climbs to 900 RPM within the burst. Range and velocity penalties apply, but the core improvement: two bullets that arrive close enough together to both hit the same target: is a fundamental upgrade to the weapon's reliability.

A.R.C. M1 Launcher (Assault Frame): Buff

ADS movement speed improved by 0.5 m/s. Charge time reduced from 0.5s to 0.45s. Niche weapon, niche buffs, not worth rearranging your life over.