Best RK-9 Loadout in Black Ops 7 – Burst Fire Dominance

Why the RK-9 Deserves Your Attention

Black Ops 7’s multiplayer is firing on all cylinders right now. The skill-based matchmaking has been tuned down, the map pool is stellar with both classics and fresh designs, and the new movement mechanics like wall jumping have opened up gameplay possibilities we haven’t seen before. It’s genuinely one of the strongest multiplayer entries we’ve gotten in years.

When it comes to the Submachine Gun class, most players gravitate toward full-auto beasts like the Dravec 45 or Razor 9mm. But there’s a sleeper pick that’s flying under the radar—the RK-9. This burst-fire SMG doesn’t get the attention it deserves, mostly because people assume it’s inferior to its full-auto counterparts. Here’s the thing: it’s actually competitive in its own right, and with the right build, it can absolutely hold its own in close-quarters combat.

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Understanding the RK-9’s Strengths

The RK-9 isn’t just another SMG—it’s the unique option of the category. At first glance, the burst-fire mechanic might feel limiting, but mathematically, this gun makes sense for aggressive players.

Raw Damage Advantage: The RK-9 ranks first in damage per shot among all SMGs. This isn’t just a stat—it translates to meaningful advantages at close range.

TTK (Time-to-Kill) Champion: Within the critical 9-meter range, the RK-9 boasts the best theoretical TTK of any SMG. That’s your primary engagement zone in multiplayer, and this gun dominates it.

Mobility & Handling: By default, the RK-9 leads its class in mobility and handling speeds. You’re not sacrificing movement for power here—you get both.

Built-in Stability: The gun naturally handles bursts well. You’re only managing vertical recoil between shots, which is significantly more manageable than controlling full-auto spray patterns.

The catch? Beyond 9 meters, other SMGs start pulling ahead. So this is a gun for players who genuinely commit to close-range engagements—and if you’re an SMG player, that’s exactly what you should be doing anyway.

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Best RK-9 Loadout (Build ID: S02-B3UJ3-HMJH1-1)

This build transforms the RK-9 into a lethal force by extending its effective range while maintaining its signature mobility advantages.

Core Attachments (5-Slot Build)

Optic: Lethal Tools ELO
A clean, responsive sight with zero visual clutter. The ELO gives you the precision you need for burst engagements without any distracting aesthetics. Keeps your screen clear for target acquisition.

Muzzle: Bowen .45 Suppressor
This is the silent killer attachment. You stay off the enemy minimap while firing, which is invaluable in multiplayer. The suppressor lets you hold angles and pick off unsuspecting targets without broadcasting your position.

Barrel: 13.6” Mercurial Barrel
The star of this build. This barrel extends your damage range to roughly 12 meters, keeping you competitive in the SMG meta. It’s the difference between winning and losing engagements at medium-close range.

Underbarrel: MFS Ironlung Handstop
Tackles the burst weapon’s natural vertical recoil climb. This frees up mental energy from controlling recoil, letting you focus purely on positioning and target tracking.

Magazine: Alliance Extended Mag
Extended ammo capacity means you can chain kills without reloading as frequently. In close-quarters multiplayer scenarios, this is clutch.

Optional Gunfighter Attachments

If you want to fine-tune further or you’re willing to sacrifice a primary attachment, consider these:

Rear Grip: Raft Ready Grip
Smooths out the gun’s handling even more. Great if you’re playing on higher sensitivity and need that extra responsiveness.

Stock: Nightfall Rapid Stock
Boosts your overall fire rate for an even faster TTK if you can manage the slightly increased recoil. This turns the RK-9 into a legitimate TTK monster for trigger-finger aficionados.

Laser: EMT3 Agile Laser
Improves hipfire accuracy and ADS speed. Useful for aggressive play where you’re pre-aiming corners and catching enemies off-guard.

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What This Loadout Actually Delivers

Range You Didn’t Know You Needed
The Mercurial Barrel pushes the RK-9’s effective range to 12 meters. That might not sound like much, but it’s the difference between this gun being a niche pick and being genuinely viable. You’re no longer hard-countered by players holding slightly wider angles.

Superior TTK for Burst Players
Notice the auto-burst feature is gone in this build. Instead, the fire rate gets a meaningful boost. This rewards manual trigger discipline—players who can land clean bursts will see faster kills than automatic fire offers at this range.

Stealth Advantage
The Suppressor keeps you invisible to enemy radar. In multiplayer’s fast-paced environment, spawning that extra half-second of reaction time by staying undetected is often the difference between first-shot advantage and getting caught.

Recoil Matters Less Than You Think
This build handles the RK-9’s vertical recoil climb with ease. You’re mainly managing a small vertical bounce between bursts, which is child’s play compared to full-auto spray control. This means less time thinking about recoil control and more time thinking about positioning.

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Complete Stat Enhancements

This loadout delivers across the board:

• No Minimap Firing Ping – Stay off the radar while engaging
• Extended Damage Range – Keeps you competitive beyond 9 meters
• Improved Recoil Control – Both horizontal and vertical stability
• Increased Rate of Fire – Faster TTK for skilled players
• Better Flinch Resistance – Survive trades with more health remaining
• Larger Magazine Capacity – Chain kills without empty reloads
• Faster Dive-to-Fire & Slide-to-Fire – Never get caught out of position
• Improved ADS & Jumping ADS Speeds – Snap onto targets quickly
• Enhanced Hipfire Movement – Strafing and mobility maintained
• Overall Movement Speed Boost – Maintain your SMG advantage

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How to Play With the RK-9

This gun rewards aggressive, intelligent positioning. You’re not mindlessly rushing—you’re pre-aiming doorways, holding tight angles, and capitalizing on the speed advantage the SMG class provides.

Engagement Range: Keep fights within 10-12 meters. This is where the RK-9 thrives. Beyond that, you’re at a disadvantage, so use cover and verticality to maintain optimal distance.

Burst Discipline: The RK-9 rewards trigger control. Quick bursts (2-3 rounds) are more efficient than holding the trigger. Develop that muscle memory and you’ll see your accuracy and TTK improve dramatically.

Suppress and Flank: With the Suppressor keeping you off the map, use that advantage to flank spawns and hold unexpected angles. The element of surprise is your weapon.

Mobility is Your Defense: This gun doesn’t trade mobility for power. Use your speed advantage to get out of unfavorable positions and reposition for better angles.

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When to Run the RK-9

Map Consideration: This gun shines on tighter, closer-quarters maps where engagements naturally happen within 10-15 meters. It struggles on wide-open, sniper-friendly maps.

Playstyle Match: If you’re an aggressive, mobile player who thrives on close-quarters combat and map control, the RK-9 is your answer. Passive players will find full-auto SMGs more forgiving.

Team Synergy: On teams playing for objective control (Search and Destroy, Domination), the RK-9’s close-range dominance pairs perfectly with holding positions.

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Comparable Alternatives

Not sure if the RK-9 is for you? Check out these related loadout guides:

• Best Dravec 45 Loadout
• Best Razor 9mm Loadout
• Best Meta Loadouts for Multiplayer
• Best Slot 1 Perks for Multiplayer
• Best Tactical Equipment Guide

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Final Note

The RK-9 is proof that being different doesn’t mean being inferior. While other SMG players are locked into full-auto spray patterns, you’re landing precise bursts with superior damage per shot and the best close-range TTK in your class. The Mercurial Barrel build keeps you competitive at ranges where you’d normally get outgunned, and the Suppressor ensures you dictate engagements on your terms.

This gun demands more from the player than traditional SMGs, but that’s exactly why it works. In a multiplayer landscape where positioning and weapon mastery matter, the RK-9 rewards the players who understand their gun and play to its strengths.

If you’re tired of seeing the same Dravec 45 in every lobby, give the RK-9 a serious shot. You might just find your new favorite close-quarters weapon.