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Radical Firearms 10.5 in. 458 SOCOM Upper Assembly

Radical Firearms Upper Assembly 10.5 inch 458 SOCOM (.936), 9 inch FHR, Black CFU10.5-458SOC-9FHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Upper Assembly 10.5 inch 458 SOCOM (.936), 9 inch FHR, Black CFU10.5-458SOC-9FHR
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Radical Firearms Upper Assembly 10.5 inch 458 SOCOM (.936), 9 inch FHR, Black CFU10.5-458SOC-9FHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
2 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
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Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
4 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
5 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
6 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
7 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
8 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR
9 of 9 images
Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR

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Questions & Answers
Will that upper fit in a rock river arms 458 socom AR? I’m trying to get a shorter barrel. Expert Answer

Yes, this Radical Firearms 10.5 in. 458 SOCOM Upper Assembly will fit and function with your Rock River Arms 458 SOCOM lower receiver.

by Ethan, Gear Expert, June 28, 2022
what is the correct buffer and spring to run for this caliber? Can you answer this question?
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Negative Review
Incomplete from the factory by Benji Beedle, Verified Owner, March 7, 2018
This is the 3rd Radical upper receiver that I've bought, my 2nd .458. I haven't had issues until this .458 socom upper came in. The chamber was too small, not allowing the shell to seat completely. I had to make a lapping tool out of a dummy round of...
Read More...
55/59 found this helpful
Most Recent Reviews
.458 Socom Upper... IT'S TRASH, -=AND=- DO NOT ask for help from Radical "Customer Service". by Nagalfar, June 15, 2020
I wish I didn't have to give Radical any stars at all... Radical didnt even earn one star. I bought a new Radical Firearms upper in .458 Socom, when it arrived it had a large area (roughly 8") where the finish was messed up, Rather than being all bl...
Read More...
61/61 found this helpful
Read All 2 Reviews
Caliber:
.458 SOCOM
Barrel Length:
10.5 in
Finish:
Anodized
Color:
Black
Model:
KeyMod First-Gen Hybrid Rail System (FHR)
Gun Rail:
KeyMod
Magazine Included:
No
Additional Features:
w/BCG and CH
Length:
9 in, 22.86 cm

Code: 2CS-URC-105458SO-CFU10-5-458SOC-9FHR

MPN: CFU10.5-458SOC-9FHR

UPC: 816903021086

Product No Longer Available

Product Info for Radical Firearms 10.5 in. 458 SOCOM Upper Assembly

Introducing Radical Firearms 458 SOCOM Complete Upper. After a year of development, a few thousand rounds, and a pretty sore shoulder, we feel this is absolutely one of the best uppers we ever offered... This provides a high-quality upper for those looking for more POWER out of their rifle. Comes complete and assembled with Upper Receiver, Forward Assist, Custom Ejection Port Door, Barrel Nut. 10.5 inch 458 SOCOM Barrel and our new Panzer Muzzle Brake to take the bite out of the round. Bolt Carrier Group and Charging Handle come complete with this upper. 10.5 inch 458 SOCOM 4150 Vanadium Steel Barrel. 1 in 14 inch Twist Rate. 5/8x32 TPI. 458 SOCOM Chamber. HPT/MPI. Single Feed Ramp. Low Profile .936 inch Micro Gas Block. Stainless pistol-length gas tube. Direct Gas Impingement. Radical Firearms Panzer 5/8x32 Brake. Radical Firearms 9 inch FHR. Custom Forged Upper Receiver with Forward Assist, Shell Deflector. Complete 458 BCG, MPI, Melonite Coated, Staked. Mil-Spec Charging Handle.image

Package Contents:

  • Radical Firearms 10.5 in. 458 SOCOM Upper Assembly

Ammunition

1–13 / 13
Previous
Wilson Combat Hornady .458 SOCOM 300 Grain Hollow Point Brass Cased Pistol Ammo, 20 Round, A458-300-HP-20RD
Wilson Combat Hornady .458 SOCOM 300 Grain Hollow Point Brass Cased Pistol Ammo, 20 Round, A458-300-HP-20RD
(1)
List: $57.95 (Save $3.46)
$54.49
$2.72/Round
Underwood Ammo .458 SOCOM 300 Grain Jacketed Hollow Point Brass Cased Rifle Ammo, 20 Rounds, 410
Underwood Ammo .458 SOCOM 300 Grain Jacketed Hollow Point Brass Cased Rifle Ammo, 20 Rounds, 410
(2)
List: $80.52 (Save 35%)
$51.99
$2.60/Round
HSM 458SOCOM1N Bear Load 458 SOCOM 350 Gr Jacketed Flat Point JFP
HSM 458SOCOM1N Bear Load 458 SOCOM 350 Gr Jacketed Flat Point JFP
List: $109.49 (Save 34%)
$71.99
$3.60/Round
Underwood Ammo .458 SOCOM 500 Grain Coated Hard Cast Brass Cased Rifle Ammo, 20 Rounds, 756
Underwood Ammo .458 SOCOM 500 Grain Coated Hard Cast Brass Cased Rifle Ammo, 20 Rounds, 756
List: $70.99 (Save $5.50)
$65.49
$3.27/Round
Cor Bon Self Defense .458 SOCOM 300 Grain Jacketed Hollow Point Rifle Ammo, 20 Round, 458300
Cor Bon Self Defense .458 SOCOM 300 Grain Jacketed Hollow Point Rifle Ammo, 20 Round, 458300
List: $71.99 (Save $6.00)
$65.99
$3.30/Round
Freedom Munitions Big Grains .458 SOCOM 300 Grain RNFP Brass Rifle Ammo, 20 Rounds, FMBG458SRF300N20
Freedom Munitions Big Grains .458 SOCOM 300 Grain RNFP Brass Rifle Ammo, 20 Rounds, FMBG458SRF300N20
(1)
List: $49.49 (Save 12%)
$43.49
$2.17/Round
Wilson Combat X-Treme .458 SOCOM 300 Grain Round Nose Flat Point Brass Cased Pistol Ammo, 20 Round, A458-300-RNFP-20RD
Wilson Combat X-Treme .458 SOCOM 300 Grain Round Nose Flat Point Brass Cased Pistol Ammo, 20 Round, A458-300-RNFP-20RD
(4)
List: $87.47 (Save 36%)
$55.99
$2.80/Round
Wilson Combat Hornady .458 SOCOM 250 Grain MonoFlex Brass Cased Rifle Ammo, 20 Round, A458-250-MFX-20RD
Wilson Combat Hornady .458 SOCOM 250 Grain MonoFlex Brass Cased Rifle Ammo, 20 Round, A458-250-MFX-20RD
$85.49
$4.27/Round
Best Rated
Underwood Ammo .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammo, 20 Rounds, 461
Underwood Ammo .458 SOCOM 350 Grain Full Metal Jacket Brass Cased Rifle Ammo, 20 Rounds, 461
(5)
List: $78.49 (Save 33%)
$52.49
$2.62/Round
Wilson Combat Hornady .458 SOCOM 350 Grain Soft Point Brass Cased Pistol Ammo, 20 Round, A458-350-SP-20RD
Wilson Combat Hornady .458 SOCOM 350 Grain Soft Point Brass Cased Pistol Ammo, 20 Round, A458-350-SP-20RD
List: $76.99
$76.49
$3.82/Round
Wilson Combat Lehigh Defense XD .458 SOCOM 250 Grain Fluid Transfer Monolithic Brass Cased Rifle Ammo, 20 Rounds, LA458-250-XD
Wilson Combat Lehigh Defense XD .458 SOCOM 250 Grain Fluid Transfer Monolithic Brass Cased Rifle Ammo, 20 Rounds, LA458-250-XD
$110.99
$5.55/Round
Wilson Combat Lehigh Defense XP .458 SOCOM 302 Grain Fluid Transfer Monolithic Brass Cased Rifle Ammo, 20 Rounds, LA458-302-XP
Wilson Combat Lehigh Defense XP .458 SOCOM 302 Grain Fluid Transfer Monolithic Brass Cased Rifle Ammo, 20 Rounds, LA458-302-XP
$111.99
$5.60/Round
Fort Scott Munitions .458 SOCOM 300 Grain Tumble Upon Impact Brass Rifle Ammunition, 20 Round, 458-300-SCV2
Fort Scott Munitions .458 SOCOM 300 Grain Tumble Upon Impact Brass Rifle Ammunition, 20 Round, 458-300-SCV2
List: $98.99 (Save 34%)
$65.49
$3.27/Round
Next

Ammo Boxes

1–1 / 1
Previous
MTM Deluxe Ammo Box 100 Round Handle, WSM WSSM Ultra Mag, Clear/Blue, R-100-MAG-24
MTM Deluxe Ammo Box 100 Round Handle, WSM WSSM Ultra Mag, Clear/Blue, R-100-MAG-24
(2)
List: $29.99 (Save 11%)
$26.79
Next

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Radical Firearms 10.5 in. 458 SOCOM Upper Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • Radical Firearms Upper Assembly 10.5 inch 458 SOCOM .936, 9 inch FHR, w/BCG and CH, Black, CFU10.5-458SOC-9FHR , MPN: CFU10.5-458SOC-9FHR , UPC: 816903021086 , Code: 2CS-URC-105458SO-CFU10-5-458SOC-9FHR
  • Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 9in MHR, M-LOK, Panzer Brake, Black, CFU10.5-458SOC-9MHR , MPN: CFU10.5-458SOC-9MHR , UPC: 816903024346 , Code: 2CS-URC-105458SO-CFU10-5-458SOC-9MHR
  • Radical Firearms Complete Upper Assembly 10.5in 458 SOCOM ,.936, 1/14 Twist, 10in FQR, QUAD PICATINNY, Panzer Brake, Black, CFU10.5-458SOC-10FQR , MPN: CFU10.5-458SOC-10FQR , UPC: 816903021079 , Code: 2CS-URC-105458SO-CFU10-5-458SOC-10FQR
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