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SIG SAUER SLX 5.56x45mm NATO Suppressor

SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, w/ NFA Trust Registration, 100000231886-KIT1
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
1 of 4 images
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, w/ NFA Trust Registration, 100000231886-KIT1
2 of 4 images
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, w/ NFA Trust Registration, 100000231886-KIT1
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
3 of 4 images
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886
4 of 4 images
SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886

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Questions & Answers
Color:
FDE
Finish:
Cerakote
Caliber:
5.56x45mm NATO
Projectile Caliber:
.224 Caliber
Fabric/Material:
Inconel
Suppressor Outer Diameter:
2.5 in
Suppressor Length:
7.31 in
Weight:
22.88 oz
Included Accessories:
OpticsPlanet NFA Trust for Suppressor Ownerships, SIG SAUER SLX Commercial w/Heat Shield INC 5.56 Suppressor, FDE

Code: SD9-MD4-VRSP52-100000231886-KIT1

MPN: 100000231886-KIT1

Product No Longer Available

Product Info for SIG SAUER SLX 5.56x45mm NATO Suppressor

Built to exceed the most demanding military requirements, the SIG SAUER SURG556 is a high-performance suppressor designed for durability, accuracy, and signature reduction. Its Inconel steel monolithic core is engineered for extreme resilience, making it full-auto rated and capable of withstanding the rigors of sustained fire. At the heart of its design is Forward-Flux multi-flow technology, which optimizes gas flow to reduce blowback, keeping the shooter's line of sight clear while minimizing fouling inside the firearm. The integrated flash hider enhances performance in low-light environments, and the suppressor's high-temperature Cerakote finish ensures longevity under harsh conditions.image

Enhancing both functionality and safety, the SURG556 features a detachable titanium hexagonal heat shield that lowers thermal signature and reduces the risk of burns in dynamic scenarios. This direct-thread 5.56 NATO suppressor is not only mission-tested but also sets a new benchmark for reliability and innovation. Whether for tactical applications or rigorous range use, the SURG556 delivers elite-level performance with the durability to match.

Package Contents:

  • SIG SAUER SLX Commercial w/Heat Shield INC 5.56 Suppressor

Ammunition

1–40 / 40
Previous
Best Rated
PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X
PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X
(68)
List: $15.99 (Save 25%)
$11.99
$0.60/Round
5% Coupon
PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition
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
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
Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition
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%)
$12.99
$0.65 - $0.82/Round
See all 7 models
Best Rated
Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition
Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition
(27)
As Low As (Save Up to 14%)
$31.49
$1.57/Round
See all 2 models
On Sale
Hornady Superformance 5.56x45mm NATO 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81264
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
15% Coupon
Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition
Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition
(147)
As Low As (Save Up to 52%)
$13.49
$0.67 - $0.78/Round
See all 6 models
14% Coupon
Federal American Eagle 5.56x45mm NATO 55 Grain Full Metal Jacket Boat Tail Brass Cased Rifle Ammunition
Federal American Eagle 5.56x45mm NATO 55 Grain Full Metal Jacket Boat Tail Brass Cased Rifle Ammunition
As Low As (Save Up to 22%)
$67.49
$0.67 - $0.79/Round
See all 2 models
Best Rated
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 70 Grain, 20 - Rounds, *31191
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
14% Coupon
Hornady Frontier 5.56x45mm NATO 55 Grain Hollow Point Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 55 Grain Hollow Point Centerfire Rifle Ammunition
(3)
As Low As (Save Up to 24%)
$34.69
$0.65 - $0.69/Round
See all 2 models
Best Rated
Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, FR310
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
Hornady Frontier 5.56x45mm NATO 55 Grain Brass Cased Full Metal Jacket Rifle Ammo, 250 Rounds, FR604
Hornady Frontier 5.56x45mm NATO 55 Grain Brass Cased Full Metal Jacket Rifle Ammo, 250 Rounds, FR604
List: $203.99 (Save 23%)
$156.49
$0.63/Round
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 1000 Rounds, 50009
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 12%)
$526.99
$0.53/Round
Best Rated
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190
(10)
List: $42.99 (Save 19%)
$34.79
$1.74/Round
PMC 556XBP Battle Pack 5.56 NATO 55 Gr Full Metal Jacket Boat Tail FMJBT
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
Fort Scott Munitions, 5.56x45mm NATO, 55 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 556-055-SCV
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
PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP
PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP
(1)
List: $131.99 (Save 30%)
$92.49
$0.77/Round
AmmoDyn 5.56x45mm NATO 55 grain Full Metal Jacket Brass Cased Rifle Ammo, 30 Rounds, PM-55655-30
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
Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 812544
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
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
On Sale
Prvi Partizan RangeMaster, 5.56 NATO, 55 Grain, Full Metal Jacket, 20 Round Box PPRM5561
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
Norma Range and Training 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Cased Rifle Ammo, 20 Rounds, 701701313
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
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
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
Fort Scott Munitions .5.56 NATO 40 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-040-SCV2
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
Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263
Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263
(8)
List: $24.99 (Save $1.50)
$23.49
$1.17/Round
Best Rated
Barnes Precision 5.56x45mm NATO 85 grain Burner Open Tip Match Boat Tail Centerfire Rifle Ammo, 20 Rounds, *30848
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
Fort Scott Munitions 5.56 NATO Copper 62 Grain Centerfire Rifle Ammo, 20 Rounds, 556-062-SCV1
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
Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
(3)
As Low As (Save 12%)
$29.49
$0.58 - $0.59/Round
See all 2 models
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, HMBX-556-24
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
Best Rated
Hornady Frontier 5.56x45mm NATO 75 grain Boat Tail Hollow Point (BTHP) Brass Centerfire 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
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
Best Rated
Hornady Frontier 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
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
Hornady Frontier 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Rifle Ammunition
(2)
List: $17.60 (Save 18%)
$14.49
$0.72/Round
See all 1 models
Newly Added
Atomic Ammunition Cycling Defense AD77 5.56x45mm NATO 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition
Atomic Ammunition Cycling Defense AD77 5.56x45mm NATO 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition
As Low As
$35.49
$1.59 - $1.77/Round
See all 2 models
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 20 Rounds, 556 55 loaded
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 20 Rounds, 556 55 loaded
(1)
List: $15.99 (Save 13%)
$13.99
$0.70/Round
PMC Ammunition X-Tac 5.56x45mm NATO 55 Grain Full Metal Jacket Rifle Ammo, Metal Box, 840 Rounds, 1102741
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
Magtech 5.56x45mm Ball M193 - 556ACS
Magtech 5.56x45mm Ball M193 - 556ACS
List: $732.00 (Save $31.51)
$700.49
$0.70/Round
PMC Ammunition X-Tac 5.56x45mm NATO 62 Grain Full Metal Jacket Boat Tail Rifle Ammo, Metal Box, 840 Rounds, 1102742
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
PMC Ammunition X-Tac Rifle Ammo 5.56 NATO 62 gr Green Tip 1000/ct, 5.56 M855 Case
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
Next

Ammo Boxes

1–6 / 6
Previous
Berrys 79462 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Clear Lid W/Black Bottom
Berrys 79462 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Clear Lid W/Black Bottom
List: $6.49 (Save 51%)
$3.19
Berrys 29682 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Smoke Lid W/Black Bottom
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 44661 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Blue Lid W/Black Bottom
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
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
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
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
(2)
$43.19
Next

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SIG SAUER SLX 5.56x45mm NATO Suppressor Unavailable & Discontinued Models

List of Unorderable Models

  • SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, w/ NFA Trust Registration, 100000231886-KIT1 , MPN: 100000231886-KIT1 , Code: SD9-MD4-VRSP52-100000231886-KIT1
  • SIG SAUER SLX Commercial w/Heat Shield INC 5.56x45mm NATO Suppressor, 2.5x7.31in, FDE, 100000231886 , MPN: 100000231886 , Code: SD9-MD4-VRSP52-100000231886
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Last updated 2026-09-01 UTC.