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Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake

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Questions & Answers

Product Discontinued by Manufacturer

Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake has been discontinued by Radical Firearms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake

Fabricated to be a very good item for almost anyone, we are certain you are going to love the Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake.image

Developed working with some of the most extremely robust and long lasting substances around, these AR15 Upper Receivers by Radical Firearms provides you with something that will give a great deal of reliability.

Radical Firearms has been generating high-quality products for a number of years, and the Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake is their very own manner of revealing how much they care.

Here at OpticsPlanet, we ensure that it is our responsibility to purchase the perfect product for all of your specifications, and presenting the Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake is a thing that we are happy to offer.

Package Contents:

  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake

Ammunition

1–30 / 30
Previous
Best Rated
Hornady BLACK .450 Bushmaster 250 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82246
Hornady BLACK .450 Bushmaster 250 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82246
(6)
List: $58.00 (Save 23%)
$44.49
$2.22/Round
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 12%)
$51.09
$2.55/Round
Final Sale
Fort Scott Munitions 450 BUSHMASTER 250 Grain Centerfire Rifle Ammo, 20 Rounds, 450BM-250-SCV1
Fort Scott Munitions 450 BUSHMASTER 250 Grain Centerfire Rifle Ammo, 20 Rounds, 450BM-250-SCV1
List: $47.44 (Save $2.45)
$44.99
$2.25/Round
Best Rated
Hornady American Whitetail Tipped 450 Bushmaster 250 Grain FTX Brass Cased Rifle Ammo, 20 Rounds, 82244
Hornady American Whitetail Tipped 450 Bushmaster 250 Grain FTX Brass Cased Rifle Ammo, 20 Rounds, 82244
(13)
List: $59.21 (Save 23%)
$45.49
$2.27/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 40%)
$46.99
$2.35/Round
Barnes Vor-Tx .450 Bushmaster 250 Grain TSX FB Brass Cased Rifle Ammo, 20 Rounds, 32085
Barnes Vor-Tx .450 Bushmaster 250 Grain TSX FB Brass Cased Rifle Ammo, 20 Rounds, 32085
(3)
List: $63.99 (Save 10%)
$57.49
$2.87/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 19%)
$39.99
$2.00/Round
Hornady Subsonic .450 Bushmaster 395 grain Subsonic eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82247
Hornady Subsonic .450 Bushmaster 395 grain Subsonic eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82247
(4)
List: $56.99 (Save 22%)
$44.49
$2.22/Round
Hornady American Whitetail .450 Bushmaster 245 grain InterLock SP Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82242
Hornady American Whitetail .450 Bushmaster 245 grain InterLock SP Brass Cased Centerfire Rifle Ammo, 20 Rounds, 82242
(3)
List: $55.12 (Save 22%)
$42.99
$2.15/Round
Winchester Deer Season XP .450 Bushmaster 250 grain Extreme Point Polymer Tip Centerfire Rifle Ammo, 20 Rounds, X450DS
Winchester Deer Season XP .450 Bushmaster 250 grain Extreme Point Polymer Tip Centerfire Rifle Ammo, 20 Rounds, X450DS
(4)
List: $81.41 (Save 28%)
$58.49
$2.92/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 35%)
$71.49
$3.57/Round
Remington Core-Lokt .450 Bushmaster 300 Grain Core-Lokt Pointed Soft Point Rifle Ammo, 20 Rounds, 27941
Remington Core-Lokt .450 Bushmaster 300 Grain Core-Lokt Pointed Soft Point Rifle Ammo, 20 Rounds, 27941
Price After Rebate
$51.60
$3.22/Round
Remington Premier Accutip .450 Bushmaster 260 Grain AccuTip Rifle Ammo, 20 Rounds, 27943
Remington Premier Accutip .450 Bushmaster 260 Grain AccuTip Rifle Ammo, 20 Rounds, 27943
(1)
Price After Rebate
$51.60
$3.22/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: $118.49 (Save 31%)
$81.49
$4.07/Round
Federal Premium Power-Shok .450 Bushmaster 300 Grain Jacketed Hollow Point Rifle Ammo, 20 Rounds, 450BMB
Federal Premium Power-Shok .450 Bushmaster 300 Grain Jacketed Hollow Point Rifle Ammo, 20 Rounds, 450BMB
Price After Rebate
$46.40
$2.90/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
Underwood Ammo .458 SOCOM 300 Grain Spitzer Brass Cased Rifle Ammo, 20 Rounds, 415
Underwood Ammo .458 SOCOM 300 Grain Spitzer Brass Cased Rifle Ammo, 20 Rounds, 415
List: $100.49 (Save 28%)
$72.79
$3.64/Round
Federal Fusion .450 Bushmaster 260 Grain Soft Point Rifle Ammo, 20 Rounds, F450BMFS1
Federal Fusion .450 Bushmaster 260 Grain Soft Point Rifle Ammo, 20 Rounds, F450BMFS1
Price After Rebate
$42.00
$2.62/Round
HSM 450BUSH1N Bear Load 450 Bushmaster 300 Gr Jacketed Soft Point JSP 20 Bx/
HSM 450BUSH1N Bear Load 450 Bushmaster 300 Gr Jacketed Soft Point JSP 20 Bx/
List: $88.49 (Save 35%)
$57.49
$2.87/Round
DoubleTap Ammunition 450Bushmaster 300gr Jacketed Soft Point Rifle Ammo, 20 Per Box/25 Case, 450B300SP
DoubleTap Ammunition 450Bushmaster 300gr Jacketed Soft Point Rifle Ammo, 20 Per Box/25 Case, 450B300SP
List: $89.93 (Save 22%)
$70.49
$3.52/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
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 29%)
$56.99
$2.85/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
Remington UMC Rifle .450 Bushmaster 260 Grain Full Metal Jacket Rifle Ammo, 20 Rounds, 23661
Remington UMC Rifle .450 Bushmaster 260 Grain Full Metal Jacket Rifle Ammo, 20 Rounds, 23661
(2)
List: $39.99 (Save 10%)
$35.99
$1.80/Round
Federal American Eagle Rifle .450 Bushmaster 260 Grain Full Metal Jacket Brass Rifle Ammo, 20 Rounds, AE450BM
Federal American Eagle Rifle .450 Bushmaster 260 Grain Full Metal Jacket Brass Rifle Ammo, 20 Rounds, AE450BM
List: $39.99 (Save 10%)
$35.99
$1.80/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
Winchester Super-X RIFLE .450 Bushmaster 260 grain Power-Point Centerfire Rifle Ammo, 20 Rounds, X4501
Winchester Super-X RIFLE .450 Bushmaster 260 grain Power-Point Centerfire Rifle Ammo, 20 Rounds, X4501
(1)
List: $84.79 (Save 31%)
$58.49
$2.92/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 $2.40)
$27.59
Next

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Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster w/ Panzer Brake Unavailable & Discontinued Models

List of Unorderable Models

  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster, 1/14 Twist, 15in MHR, M-LOK, Panzer Brake, Black, CBU16-450BUSH-15MHR , MPN: CBU16-450BUSH-15MHR , UPC: 816903029242 , Code: 2CS-URC-45016PB-CBU16-450BUSH-15MHR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in 458 SOCOM ,.936, 1/14 Twist, 15in MOR, M-LOK, Panzer Brake, Black, CBU16-458SOC-15MOR , MPN: CBU16-458SOC-15MOR , UPC: 816903029891 , Code: 2CS-URC-45016PB-CBU16-458SOC-15MOR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in 458 SOCOM ,.936, 1/14 Twist, 12in FHR, KEYMOD, Panzer Brake, Black, CBU16-458SOC-12FHR , MPN: CBU16-458SOC-12FHR , UPC: 816903029303 , Code: 2CS-URC-45016PB-CBU16-458SOC-12FHR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster, 1/14 Twist, 15in FHR, KEYMOD, Panzer Brake, Black, CBU16-450BUSH-15FHR , MPN: CBU16-450BUSH-15FHR , UPC: 816903029235 , Code: 2CS-URC-45016PB-CBU16-450BUSH-15FHR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in 458 SOCOM ,.936, 1/14 Twist, 13.5in MOR, M-LOK, Panzer Brake, Black, CBU16-458SOC-13.5MOR , MPN: CBU16-458SOC-13.5MOR , Code: 2CS-URC-45016PB-CBU16-458SOC-13-5MOR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in 458 SOCOM ,.936, 1/14 Twist, 15in MHR, M-LOK, Panzer Brake, Black, CBU16-458SOC-15MHR , MPN: CBU16-458SOC-15MHR , Code: 2CS-URC-45016PB-CBU16-458SOC-15MHR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster, 1/14 Twist, 13.5in MOR, M-LOK, Panzer Brake, Black, CBU16-450BUSH-13.5MOR , MPN: CBU16-450BUSH-13.5MOR , UPC: 816903029846 , Code: 2CS-URC-45016PB-CBU16-450BUSH-13-5MOR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in 458 SOCOM ,.936, 1/14 Twist, 12in MHR, M-LOK, Panzer Brake, Black, CBU16-458SOC-12MHR , MPN: CBU16-458SOC-12MHR , UPC: 816903029327 , Code: 2CS-URC-45016PB-CBU16-458SOC-12MHR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in .450 Bushmaster, 1/14 Twist, , 15in MOR, M-LOK, Panzer Brake, Black, CBU16-450BUSH-15MOR , MPN: CBU16-450BUSH-15MOR , UPC: 816903029853 , Code: 2CS-URC-45016PB-CBU16-450BUSH-15MOR
  • Radical Firearms Complete Billet Side Charging Upper Assembly 16in 458 SOCOM ,.936, 1/14 Twist, 15in FHR, KEYMOD, Panzer Brake, Black, CBU16-458SOC-15FHR , MPN: CBU16-458SOC-15FHR , UPC: 816903029310 , Code: 2CS-URC-45016PB-CBU16-458SOC-15FHR
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Last updated 2026-08-02 UTC.