Posted December 6, 2017 12:59 am by Comments

By John Crump

Radical Firearms 10.5" 458 SOCOM Upper Receiver

For those looking at larger calibers for the AR platform, the 458 SOCOM is among the most powerful chamberings for the MSR. Radical Firearms 10.5″ 458 SOCOM upper receiver will pack a punch in a pistol or SBR.

Radical Firearms 10.5″ 458 SOCOM Upper Receiver

U.S.A.-( I have always been fascinated by what I like to call “Gucci calibers” and “Gucci guns.” From the .50 caliber Beowulf to the 6.8 SPC – I love the rounds that you can’t go down to your local Walmart and buy off the shelf. Recently I have been focusing on adding these caliber guns in my collection.

Awhile ago Radical Firearms sent me one of their complete 6.5 Grendel upper receiver. I had a great time shooting the Grendel so when Radical Firearms asked me if I wanted to check out their 10.5″ barrel length .458 SOCOM complete upper receiver I only had one answer for them. I had to say “yes.”

Radical Firearms .458 SOCOM Upper Reciever

The Radical Firearms .458 SOCOM upper receiver uses a direct gas impingement system. It uses a very low profile .936″ micro gas block. They connected the micro gas block to the receiver by using a stainless …Read the Rest

Source:: AmmoLand

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