.458 SOCOM 14" barrel with .865" diameter muzzle brake pinned/welded for 16.2" overall length.  Carbine gas system, .875" gas block journal, 1:14 twist, stainless steel, black finish.  Limited Availability.

  • Rifle barrel only $250
  • Barrel and Bolt combo $299
  • Matte Stainless Steel add $25

SCG-10
Free Float Tube Hand Guard - $65

SCG-11C​

Restricted State, Compliant Magazines.  Available for California/Colorado etc.  $49

DO NOT use Magpul P-Mags with your 458 SOCOM Rifle.

MIG3-15 15.0" Add $175
MIG3-12 12.6" Add $165
MIG3-10 10.5" Add $145
MIG3-09 9.25" Add $135
MIG3-07 7.25" Add $125

SCM01-LW
Lightweight profile .850/.750/.730 1:14 twist Barrel/Bolt Combo $324

Feed ramp machined for wide body casings.

SCM21
Big Bore Barrel Extension $30

SCM07SS
Matte stainless steel muzzle brake 5/8-24 $65

SCM07
.458 SOCOM Muzzle Brake 5/8-24 Thread $60

SCM06
.458 SOCOM Ejector $5

  • Rifle barrel only $250
  • Barrel and Bolt combo $299
  • Matte Stainless Steel add $25

Barrel profile is .900" under the hand guards, .875" at the gas block, and .800" at the muzzle. Threaded 5/8-24 with a 1:14 twist. Barrel weight: 1.52 lbs.

Barrel profile is 1.00” under the hand guards, .875” at the gas block, and .850” at the muzzle. Threaded 5/8-24 with a 1:14 twist. This barrel is intended to be used with a permanently attached Tromix muzzle brake SCM07 bringing the overall barrel length to 16.25”.
Barrel weight: 1.69 lbs.

SCM02P12
.458 SOCOM 12in. Pistol length gas system

SCM02R14
.458 SOCOM 14.0in. Carbine length gas system.

Install Muzzle Break or Radial Comp instead of Flash Hider - add $30

Also available with a 12” barrel at no additional charge. 8" barrel is not available due to GI hand guard length.

Includes 10.5" barrel, flash hider, picatinny rail gas block, bolt/carrier and charging handle. Ready to fire on your Pistol/SBR lower.

SCM19
Complete assembled 10.5" .458 SOCOM upper $729

Install Muzzle Break or Radial Comp instead of Flash Hider - add $30
Matte Stainless Steel - add $25

​with SCM02R14-16 Barrel - add $150

Includes 16.25" barrel, flash hider, picatinny rail gas block, bolt/carrier and charging handle. Ready to fire on your lower receiver.

SCM18
Complete assembled 16.25" .458 SOCOM upper $699

SCM02
.458 SOCOM 16.25in. Barrel Only $250
Barrel weight: 1.92 lbs.


Matte Stainless Steel - add $25

Ejection port enlarged, includes forward assist and ejection port cover.
Tech Tip: To enhance feeding reliability, it is recommended to blend the barrel feed ramp into the upper receiver after barrel installation, as shown.

SCM17
.458 SOCOM Upper Receiver $135

No dealer discounts on .458 SOCOM parts.
No International Shipments
.

458 Socom Parts

(re-published here with approval from Western Powders)


Click image to download document

SCM24
Tromix Radial Compensator

Starline Brasswww.starlinebrass.com

Available in 14in. or 16.5in. Chromoly Barrels Only!


Five ounces lighter than our standard 16.25in barrel.
.750" Gas Block required. Barrel weight: 1.63 lbs.

SCM12
Charging Handle $25

For indexing muzzle brake.
“Specify carbon steel or stainless”

SCM10
.458 SOCOM Crush Washer 5/8” $3.50

SCM03
.458 SOCOM Bolt Only $110


Includes ejector, extractor and gas rings.

SCM02P8
.458 SOCOM 8.0in. - Pistol length gas system.

SCM02P10
.458 SOCOM 10.5in. - Pistol length gas system

  • Rifle barrel only $250
  • Barrel and Bolt combo $299
  • Matte Stainless Steel add $25

.458 SOCOM Ammunition Sources:
SBR Ammunition www.SBRammunition.com
X-Caliber Ammunition 
www.Xcaliberammo.com
Strike Force Ammunition 812-890-2678 or
email
strikeforcellc1@gmail.com

Available in 7.25" and 12.5" lengths.

Compatible with

.458, 450, and 375 Uppers.

SCG-11B
Floor plates for Lancer magazines. $12

(specify 7rd or 10rd)

Magazine floor plates are blued steel, engraved ".458 SOCOM 10 rounds".  (Does not include the magazine body or spring.)

.375 and .458 SOCOM suppressors are currently available from Bowers Group LLC. 
Contact  http://www.bowersgroup.com

These 6061-T6 black anodized aluminum magazine followers fit 30 round GI magazines, allowing for center feeding of .458 SOCOM cartridges and limiting the magazine to a maximum of 10 rounds. 

Available in 4, 7, and 11 round capacity.

Fully functional with 10, 20, and 30 rounds of 5.56/.223 ammunition.  No shipments of 7/20 or 11/30 round magazines to restricted locations. These Lancer 5.56 magazines have been remachined by Tromix to allow even the most flat/blunt nosed .458 bullets to feed properly. These magazines do not come with Tromix center feed follower or base plates.

SCM16
Hand Guard Cap .875" $15
Must use Tromix offset picatinny rail gas block when using this cap.

SCM11
Complete .458 SOCOM Bolt & Carrier Group $205

SCM08c Carbon Steel $30
SCM08s Stainless Steel $35

SCM08
.458 SOCOM Flash Hider 5/8-24 Thread

4140 Steel Slim-Line Low Profile Gas Block AR-15/AR-10 .875”

SCM04
.458 SOCOM .875” Gas Block

Barrel profile is .900" under the hand guards, .875" at the gas block, and .800" at the muzzle. Threaded 5/8-24 with a 1:14 twist. Barrel weight: 1.34 lbs.

  • Rifle barrel only $250
  • Barrel and Bolt combo $299
  • Matte Stainless Steel add $25

SCM42
Thread Protector, Knurled Steel 5/8-24tpi   $20

SCG-11
​.458/.375 SOCOM Magazine - $20

Upgrade your SCM18 with a round aluminum free float tube.  Hand guard tubes are only available in 12.5" (shown) and 7.25" lengths.  Add $50

458 SOCOM Load Data

SCM02R14-16

458_SOCOM_Load_Data.pdf

Rifle Barrel only - $399
Barrel and Bolt Combo - $449

SCM14
Pistol Length Gas Tube $15

SCM13
Carbine Length Gas Tube $15 

SCM10c Carbon Steel
SCM10s Stainless Steel

SCM04c Carbon Steel $35
SCM04s Stainless Steel $40

Barrel profile is .900" under the hand guards, .875" at the gas block, and .800" at the muzzle. Threaded 5/8-24 with a 1:14 twist. Barrel weight: 1.03 lbs.

SCM01
.458 SOCOM 16.25in. Barrel/Bolt Combo $299

Lead delivery systems

Adds 1.3" to barrel length.
Available in black or stainless finish.
Black $60
Stainless $65

MIG3-12 Shown

.458 SOCOM Reloading Die Sources:

Redding www.Redding-Reloading.com
Hornady
www.Hornady.com

Barrel Only (no bolt)  $275

SCM15
Barrel Nut w/Delta Pack $25

For Rock River Arms .910” barrels.

SCM09
.458 SOCOM Muzzle Brake 5/8-32 thread $60

SCM05
.458 SOCOM Extractor $30

Includes complete ready-to-install 16.25in. barrel.
Barrel profile is .900" under the hand guards, .875" at the gas block, and .800" at the muzzle. Threaded 5/8-24 with a 1:14 twist. Machined for use with hand guards that don't use a hand guard cap. Barrel weight: 1.92 lbs.

SCG-12
Center-Feed .458 SOCOM magazine followers for 30 round GI magazines $15

SCG-13
458 SOCOM 10 round base plates for

30 round GI magazines $5

SCM19B
Complete assembled 10.5" .458 SOCOM upper shown with optional MIG3-9 hand guard and muzzle brake. $864

These 10 rounds magazines are equipped with black anodized aluminum center feed followers and base plates engraved

".458 SOCOM 10 rounds".  These magazines will not accept a round of 5.56/.223 ammunition and are not readily convertible to 5.56/.223 due to their non-removable base plates. Also available in 7 round capacity. (No shipments to the City of New York or Monroe County New York)

SCG-11A
Center-Feed .458 SOCOM follower for Lancer 20rd and 30rd 5.56 magazines. $15

Upgrade your SCM18 with the MI-G3 M-Lok hand guard

(Sheridan Engineering - Patent Pending)

SCM20
.458 SOCOM Cartridge Slotted Case Gauge $45

Matte Stainless Steel - add $25

To place an order for .458 SOCOM parts please contact Tromix at: (918) 543-3456