Name: Whisperstrike WT556 5.56x45mm NATO Suppressor
Brand: Whisperstrike
SKU: 6IL-MD4-PNS2A
Availability: Discontinued

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Olive Drab Green, One Size, OD0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Glacier Black, One Size, GB0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Flat Dark Earth, One Size, FDE0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Sniper Grey, One Size, SG0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Cerakote, One Size, CC0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Olive Drab Green, One Size, OD0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Glacier Black, One Size, GB0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Flat Dark Earth, One Size, FDE0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Sniper Grey, One Size, SG0556 S001

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Cerakote, One Size, CC0556 S001

1 of 5 images

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Olive Drab Green, One Size, OD0556 S001

2 of 5 images

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Glacier Black, One Size, GB0556 S001

3 of 5 images

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Flat Dark Earth, One Size, FDE0556 S001

4 of 5 images

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Sniper Grey, One Size, SG0556 S001

5 of 5 images

Whisperstrike WT556 5.56x45mm NATO Suppressor, 1.75x7in, Cerakote, One Size, CC0556 S001

Tap Tap to Zoom

Questions & Answers

Product No Longer Available

Unfortunately Whisperstrike WT556 5.56x45mm NATO Suppressor is not listed by OpticsPlanet.You can also explore other items in the Gun Parts, Muzzle Devices, Suppressors yourself to try and find the perfect replacement for you!

Compare

Prices and availability subject to change.

Add to Wishlist

Product Info for Whisperstrike WT556 5.56x45mm NATO Suppressor

WHISPER 556: Extreme Accuracy With Full-Auto Reliability.

The Whisper 556 is engineered for shooters who expect accuracy, reliability, and clean performance from a 5.56 suppressor. Its advanced gas-flow architecture strips, cools, and slows high-pressure gases to deliver quiet operation, smoother recoil impulse, and minimal backpressure. Shot behavior stays predictable and consistent, even during extended strings of fire.

Accuracy You Can Trust

The Whisper 556 maintains stable point of impact through slow fire and rapid engagement. Flash is significantly reduced, gas blowback is limited, and follow-up shots remain easy to control. Whether mounted on a precision rifle or a lightweight carbine, the Whisper 556 keeps rounds exactly where they should go.

Designed for Sustained and Full-Auto Fire

Titanium construction and a high-volume internal structure give the Whisper 556 the durability needed for high-heat applications. It stays stable and reliable under demanding round counts, making it a dependable choice for shooters who push their rifles hard.

Includes a 3D-Printed HUB Direct Thread Mount

Every Whisper 556 includes a 3D-printed titanium HUB-compatible direct-thread mount with an integrated brake section. Most companies supply nothing or only a basic end cap, but Whisperchicks includes a premium mounting solution that uses the internal space more efficiently and improves performance.

Compatible With Most HUB Mounts

With the brake removed, the Whisper 556 is fully compatible with HUB 1.375x24 mounting systems. This allows the suppressor to pair with most QD and direct thread attachments across the industry. Shooters can configure the can for their preferred platforms without buying proprietary hardware.

Titanium Strength for Real-World Abuse

Built from Ti64V ELI Grade 23 titanium, the Whisper 556 offers long-term durability and excellent heat resistance. Its 1.75-inch diameter provides internal volume needed for efficient gas control, giving the suppressor stable, clean performance in the harshest conditions. Expect minor initial sparking with 3D-printed titanium suppressors.

Package Contents:

Whisperstrike WT556 5.56x45mm NATO Suppressor

Ammunition

1–40 / 40

Best Rated

PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X

(68)

List: $15.99 (Save 31%)

$10.99

$0.55/Round

Best Rated

PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition

(115)

As Low As (Save Up to 21%)

$11.89

$0.59/Round

See all 2 models

PPU 5.56x45mm NATO 0 grain Brass Cased Blank Ammo, 20 Rounds, PPB556

List: $22.49 (Save 29%)

$15.99

$0.80/Round

Best Rated

Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition

(27)

As Low As (Save Up to 14%)

Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition

(134)

As Low As (Save Up to 54%)

Hornady Superformance 5.56x45mm NATO 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81264

(8)

List: $41.40 (Save 28%)

$29.69

$1.48/Round

Best Rated

Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition

(147)

As Low As (Save Up to 25%)

Federal American Eagle 5.56x45mm NATO 55 Grain Full Metal Jacket Boat Tail Brass Cased Rifle Ammunition

As Low As (Save Up to 22%)

Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, FR310

(15)

List: $19.60 (Save 13%)

$16.99

$0.85/Round

Best Rated

Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 70 Grain, 20 - Rounds, *31191

(14)

List: $43.99 (Save 10%)

$39.49

$1.97/Round

Newly Added

Atomic Ammunition Cycling Defense AD77 5.56x45mm NATO 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition

As Low As (Save Up to $13.01)

Hornady Frontier 5.56x45mm NATO 55 Grain Brass Cased Full Metal Jacket Rifle Ammo, 250 Rounds, FR604

List: $204.99 (Save 26%)

$152.29

$0.61/Round

First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 1000 Rounds, 50009

(1)

List: $599.99 (Save 14%)

$513.50

$0.51/Round

Best Rated

Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190

(10)

List: $42.99 (Save 16%)

$35.99

$1.80/Round

PMC 556XBP Battle Pack 5.56 NATO 55 Gr Full Metal Jacket Boat Tail FMJBT

(1)

List: $140.00 (Save $9.01)

$130.99

$0.65/Round

AmmoDyn 5.56x45mm NATO 55 grain Full Metal Jacket Brass Cased Rifle Ammo, 30 Rounds, PM-55655-30

List: $26.95 (Save 18%)

$22.09

$0.74/Round

On Sale

Prvi Partizan RangeMaster, 5.56 NATO, 55 Grain, Full Metal Jacket, 20 Round Box PPRM5561

List: $31.47 (Save 60%)

$12.49

$0.62/Round

Fort Scott Munitions, 5.56x45mm NATO, 55 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 556-055-SCV

List: $28.32 (Save 10%)

$25.39

$1.27/Round

Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 812544

(4)

List: $46.61 (Save 36%)

$29.69

$1.48/Round

Barnes Precision MatchRifle Cartridges, 5.56x45mm NATO, Match Burner Open Tip Match Boat Tail, 69 Grain, 20 - Rounds, *30846

List: $42.99 (Save 19%)

$34.79

$1.74/Round

Norma Range and Training 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Cased Rifle Ammo, 20 Rounds, 701701313

List: $14.29

$13.49

$0.67/Round

PPU PPRM5561M 5.56X45 55 FMJBT RNGMSTR

List: $866.49 (Save $59.00)

$807.49

$0.81/Round

Winchester Lake City 5.56 MM M855 FMJ WIN 62 GR 50 Green Tip 50-20RD Box 1000 rds tot, WM855K Case

List: $869.99 (Save $54.00)

$815.99

$0.82/Round

PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP

(1)

List: $89.00 (Save 12%)

$77.99

$0.65/Round

Fort Scott Munitions .5.56 NATO 40 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-040-SCV2

List: $28.06 (Save $1.07)

$26.99

$1.35/Round

Best Rated

Barnes Precision 5.56x45mm NATO 85 grain Burner Open Tip Match Boat Tail Centerfire Rifle Ammo, 20 Rounds, *30848

(5)

List: $70.88 (Save 39%)

$43.49

$2.17/Round

On Sale

Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263

(8)

List: $24.99 (Save 20%)

$19.99

$1.00/Round

Fort Scott Munitions 5.56 NATO Copper 62 Grain Centerfire Rifle Ammo, 20 Rounds, 556-062-SCV1

(2)

List: $47.99 (Save 34%)

$31.49

$1.57/Round

Veteran Ammo Defense 5.56x45mm NATO 62 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, HMBX-556-24

List: $49.99 (Save 23%)

$38.49

$1.92/Round

Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition

Hornady Frontier 5.56x45mm NATO 75 grain Boat Tail Hollow Point (BTHP) Brass Centerfire Rifle Ammunition

(29)

As Low As (Save Up to 17%)

$17.99

$0.90/Round

See all 2 models

Veteran Ammo Defense 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Pistol Ammo, 20 Rounds, HMBX-556-25

List: $49.99 (Save 22%)

$38.99

$1.95/Round

Hornady Frontier 5.56x45mm NATO 55 Grain Hollow Point Centerfire Rifle Ammunition

(3)

As Low As (Save Up to 22%)

Hornady Frontier 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition

(47)

As Low As (Save Up to 17%)

$13.49

$0.65 - $0.67/Round

See all 3 models

PMC Ammunition X-Tac Rifle Ammo 5.56 NATO 62 gr Green Tip 1000/ct, 5.56 M855 Case

List: $739.99 (Save 13%)

$645.19

$0.65/Round

Magtech 5.56x45mm Ball M193 - 556ACS

List: $732.00 (Save $31.51)

$700.49

$0.70/Round

PMC Ammunition X-Tac 5.56x45mm NATO 55 Grain Full Metal Jacket Rifle Ammo, Metal Box, 840 Rounds, 1102741

List: $632.49 (Save $49.50)

$582.99

$0.69/Each

PMC Ammunition X-Tac 5.56x45mm NATO 62 Grain Full Metal Jacket Boat Tail Rifle Ammo, Metal Box, 840 Rounds, 1102742

List: $650.49 (Save $48.50)

$601.99

$0.72/Each

Best Rated

Winchester USA 5.56x45mm NATO 55 Grain Full Metal Jacket Centerfire Rifle Ammo, 125 Rounds, USA193125

(19)

List: $121.49 (Save 32%)

$82.69

$0.66/Round

Global Ordnance 5.56x45mm NATO, 55 grain, Full Metal Jacket, 20 Rounds Rifle Ammo, GO850003223346

List: $24.62 (Save 39%)

$14.99

$0.75/Round

Ammo Boxes

1–6 / 6

Berrys 29682 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Smoke Lid W/Black Bottom

(1)

List: $6.99 (Save 50%)

$3.49

Berrys 79462 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Clear Lid W/Black Bottom

List: $6.49 (Save 51%)

$3.19

Berrys 44661 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Blue Lid W/Black Bottom

List: $6.99 (Save 50%)

$3.49

Berrys 86410 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Blue Lid W/Black Bottom

List: $6.99 (Save 21%)

$5.49

Berrys 11664 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Smoke Lid W/Black Bottom

List: $6.99 (Save 21%)

$5.49

MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS

(2)

$43.19

Image of PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition

2 models PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition (115) As Low As (Save Up to 21%) $11.89 $0.59/Round Best Rated

Image of Atrius Development Forced Reset Selector

7 models Atrius Development Forced Reset Selector (141) As Low As (Save Up to 16%) $189.99 Blazin' Deal

Image of Geissele Super 42 Braided Wire Buffer Spring And Buffer Combo, H2

2 models Geissele Super 42 Braided Wire Buffer Spring And Buffer Combo, H2 (235) As Low As (Save Up to 30%) $114.00 Best Rated

Image of PMC Ammunition X-TAC 5.56x45mm NATO 55 Grain Full Metal Jacket (FMJ) Brass Cased Centerfire Rifle Ammunition

PMC Ammunition X-TAC 5.56x45mm NATO 55 Grain Full Metal Jacket (FMJ) Brass Cased Centerfire Rifle Ammunition, 20, FMJBT (68) List: $15.99 (Save 31%) $10.99 $0.55/Round Best Rated

Image of TRYBE Defense Standard Handguard Barrel Nut

TRYBE Defense Standard Handguard Barrel Nut (30) List: $18.99 (Save 98%) $0.44 Blazin' Deal

Image of Radian Weapons Glock 43X 9mm RAMJET Barrel w/ AFTERBURNER Compensator

5 models Radian Weapons Glock 43X 9mm RAMJET Barrel w/ AFTERBURNER Compensator (41) As Low As (Save Up to 18%) $389.95 Best Rated

DFCO Kung Fu Grip Plug (25) List: $12.00 $11.99 Best Rated

Image of SIG SAUER OPMOD TANGO-MSR 1-6x24mm Rifle Scope, 30mm Tube, Second Focal Plane (SFP)

SIG SAUER OPMOD TANGO-MSR 1-6x24mm Rifle Scope, 30mm Tube, Second Focal Plane (SFP) (100) List: $529.99 (Save 34%) $349.99 Blazin' Deal

Image of Streamlight TLR-7 HL-X 1913 Sub USB Multi-Fuel High-Lumen Rail-Mounted Light

2 models Streamlight TLR-7 HL-X 1913 Sub USB Multi-Fuel High-Lumen Rail-Mounted Light (77) As Low As (Save Up to 56%) $145.99 On Sale

Image of Vortex OPMOD Diamondback Tactical 4-16x44mm Rifle Scope, 30mm Tube, First Focal Plane (FFP)

4 models Vortex OPMOD Diamondback Tactical 4-16x44mm Rifle Scope, 30mm Tube, First Focal Plane (FFP) (174) As Low As (Save Up to 54%) $267.89 Blazin' Deal

Image of DFCO Tiger Claw Fore M-Lok Grip 10 Degree with Grip Plug Kit

DFCO Tiger Claw Fore M-Lok Grip 10 Degree with Grip Plug Kit List: $32.00 (Save 15%) $27.35

Image of Vortex Sport Cantilever 30mm Rifle Scope Ring Mount

2 models Vortex Sport Cantilever 30mm Rifle Scope Ring Mount (284) As Low As (Save Up to 62%) $68.05 Blazin' Deal

Image of Vortex OPMOD Sport Cantilever Riflescope 2in Offset Mount, 30mm

2 models Vortex OPMOD Sport Cantilever Riflescope 2in Offset Mount, 30mm (135) As Low As (Save Up to 62%) $68.05 Blazin' Deal

Image of Magpul Industries PMAG GEN M3 AR-15 .300 Blackout 30 Round Rifle Magazine

5 models Magpul Industries PMAG GEN M3 AR-15 .300 Blackout 30 Round Rifle Magazine (42) As Low As (Save Up to 12%) $15.75 Best Rated

Image of Breek Arms AR-15 Warhammer Mod2 Ambidextrous Charging Handle

4 models Breek Arms AR-15 Warhammer Mod2 Ambidextrous Charging Handle (575) List: $54.95 (Save $5.00) $49.95 Best Rated

Image of Streamlight TLR-7 Hl-X USB Multi-Fuel Rail-Mounted Flashlight

2 models Streamlight TLR-7 Hl-X USB Multi-Fuel Rail-Mounted Flashlight (102) As Low As (Save Up to 47%) $178.49 On Sale

Image of AS Designs Arc-Fire V2 Non-Ambi Kit

AS Designs Arc-Fire V2 Non-Ambi Kit (15) $199.99 Best Rated