HK51B

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Aftermarket conversion of the HK21 heavy LMG. Fires at an extreme rate of speed from a 100 round box, but has awful recoil. Has a lengthy reload process.

–In-game description

HK51B
Overview
Weapon Type	Primary Weapon
Weapon Class	Carbine
Rank Prerequisites	Rank 160
Damage	41 → 22
Range	20 max → 90 min
File:HK51Bgraph.png
Accuracy
Hip Accuracy
Sight Accuracy
Magazine Size	100
Ammo Reserve	200
Fire Modes	Auto, 3× Burst, & Semi
Rate of Fire	950 RPM
Advanced WEAPON BALLISTICS TTK (Time to Kill) 0.06 s Head & Body Multiplier Hitbox per bullet/pellet Range Max (20 studs) Min (90 studs) (x1.4) Head 57.4 30.8 (x1.0) Torso 41 22 (x1.00) Limbs 41 22 Red color signifies a fatal hit. Suppressed Stats Suppressor/Bullet Attachment Suppressed Damage Suppressed Range Suppressor → max → min R2 Suppressor → max → min ARS Suppressor → max → min PBS-1 Suppressor → max → min PBS-4 Suppressor → max → min Armor Piercing 41 -> 22 10 max -> 90 min Hollow Point 49.2 -> 17.6 22 max -> 81 min Muzzle Velocity 2200 studs/s Penetration Depth 1.5 studs Suppression 0.4 HIP ACCURACY 7 Min Camera Kick (2.90, -0.61, -0.50) Max Camera Kick (3.50, -0.11, 0.50) Min Recoil Displacement (-0.31, 0.40, 5.19) Max Recoil Displacement (0.30, 0.50, 6.80) Min Recoil Rotation (-0.50, -1.00, -0.31) Max Recoil Rotation (0.89, 1.29, 0.30) Hipfire Spread Factor 0.08 Hipfire Recovery Speed 7 Hipfire Spread Damping 0.60 SIGHT ACCURACY 10 Min Camera Kick (1.10, -0.61, -0.31) Max Camera Kick (2.20, 0.60, 0.30) Min Recoil Displacement (-0.11, -0.41, 5.19) Weapon Shot Displacement (0.10, 0.60, 6.80) Min Recoil Rotation (0.30, -0.81, -0.50) Max Recoil Rotation (0.50, 0.80, 0.50) Sight Magnification 2.0x ACCURACY 28 Hipfire Camera Recovery Speed 19 Sight Camera Recovery Speed 17 Weapon Recovery Speed 18 Weapon Recoil Damping 0.85 Hip Choke {{{HipChoke}}} Aim Choke {{{AimChoke}}} WEAPON HANDLING Reload Time 6.7 seconds Empty Reload Time 6.8 seconds Equip Speed 12 Aiming Speed 11 Crosshair Size 25 Crosshair Spread Rate 350 Crosshair Recover Rate 20 MISCELLANEOUS Weapon Walk Speed 13 stud/s Aiming Walk Speed 7.8 stud/s Ammo Type 7.62x51mm NATO Round in Chamber Template:Weapon/Chamber Shot Suppression Range None

The HK51B is an American Carbine variant of the HK21. It is unlocked at rank 160 or can be purchased with credits.

History

The HK51B is an aftermarket carbine length conversion of the German Heckler & Koch HK21 general-purpose machine gun, made by F. J. Vollmer & Company Incorporated. The name of the weapon somewhat reflects H&K's naming conventions for their firearms, with the lone standout being the B at the end of the name standing for Bravo. Modifications include replacing the fixed stock with a retractable sliding stock and shortening the barrel to 8.9 inches. For fixed-barrel models such as the one in Phantom Forces, these came with a modified MP5 handguard—specifically a "tropical" or "wide" style foregrip. Other than the barrel, foregrip, and stock, the HK51B was a HK21, featuring the same 1000 RPM rated fire rate and feed system.

Only 30 HK51Bs were ever made, two of which were fitted with a quick-change barrel system.

In-Game

General Information

The HK51B is a very interesting carbine, having various characteristics of a light machine gun. Damage is high, with a maximum damage of 41 and a minimum of 22, translating to a three-shot kill (3SK) up close and increasing to a 5SK at longer ranges. The range is below average, with a maximum range of 20 studs and minimum range of 90 studs. Damage drop off is subsequently relatively steep but given the higher maximum damage, the HK51B sports a fairly good 3SK range to the body out to 65 studs. However, it increases quickly to a 5SK afterwards. Muzzle velocity is relatively average for a carbine, at 2200 studs per second. This results in the HK51B having a quick time-to-kill (TTK) at most ranges. Magazine capacity is excellent, at 100 rounds. Ammunition reserves are also great, with 200 rounds in reserve, making the HK51B have the best capacity and ammunition reserve amount in-class. Reload times, however, are very slow by comparison to other carbines, at 6.7 seconds for a tactical reload and 6.8 seconds for an empty reload. But compared to other belt-red weapons, these reload times are the fastest for any belt-fed weapon. Recoil is quite high, with a very high degree of vertical climb and horizontal kick. Weapon recoil recovery rate is also quite low, meaning the weapon does not reset to center as fast as other weapons, making it harder to control fully-automatic fire.

Usage & Tactics

The HK51B can be treated like a large MAC10. Both weapons handle poorly from the hip and while aiming down sights (ADS), both weapons are high damage and have a high RoF with a high level of lethality in close quarters. However, the HK51B is a heavier weapon, oriented towards defensive play. Defending objectives is relatively easy with the HK51B, though whether the bullets actually strike their target outside of 40 studs is another matter entirely. The HK51B cannot effectively hit targets outside of the 40 stud range without wasting ammunition, as the rather harsh recoil can result in ineffective damage dealing. The HK51B can tap-fire to harass targets at long range, but this is inadvisable as per-shot recoil is much higher than the HK21, preventing truly effective tap-fire. With a muzzle velocity of 2200 studs/s, this is also low for a LMG, but average for a carbine. This makes long -ange assaults even more difficult to perform.

With the weapon's performance established, the best real world situation for the weapon comes on maps like Warehouse where thin cover is abundant. The high penetration power of the 7.62x51mm NATO round has been greatly reduced with the HK51B's short barrel. However, even with 1.5 studs of penetration, quite a few obstacles can easily be penetrated, but do take note that it will not pierce through cover as easily as, say, an AK47 would. With high minimum damage and rate of fire, the HK51B can easily clear through most forms of thin cover and can punch through corners to deal damage to targets long before they can connect shots with the wielder of the weapon.

Conclusion

The HK51B combines attractive performance statistics on paper, but the weapon lacks the recoil control necessary to be effective outside of short range, as the HK51B is unwieldy outside of close quarters. With practice, the HK51B can be treated as a lighter version of an HK21 or MG3KWS that can be used more aggressively due to its faster reload, but is still extremely competent in defensive roles such as locking down corridors.

Pros & Cons

Pros:

• Relatively high damage.
• Large magazine capacity.
• High ammunition reserves.
• High RoF.
• Fastest reload of any belt-fed weapon in-game.

Cons:

• Very slow reload time for its class.
• High per-shot recoil.
• Extremely high horizontal recoil.
• Short maximum range.

Trivia 

• The HK51B is the first belt-fed carbine in-game. As well, it also is the carbine with the biggest magazine size and ammo reserve in its category
• The HK51B shares its third-person model with the HK21