AR Sponsor
Posted: 3/1/2009 10:04:54 PM EDT
| Thinking about building an AR in 458 SOCOM, or something similar. Will the standard AR-15 upper and lower work or do you have to modify them? |
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What lower, stock, other parts can I use?
The .458 SOCOM was designed to fit any mil-spec lower. Thus, any of the lowers out there that meet mil-spec should readily accept the .458. No modifications should be needed to your lower and no negative effects to the lowers have been reported. Based on customer reports, the following aftermarket modifications can help reduce any felt recoil and make your shooting experience a more enjoyable one: Stock – the standard A2 stock has a butt plate that becomes a “meat grinder” with the .458 SOCOM. The most popular stock tends to be the ACE Ltd Skeleton stock with the thick rubber recoil pad. Collapsible/telescoping stocks should be used with caution; we have received reports of stocks failing and auto-collapsing. Buffer Spring – While the standard spring will work, a lot of shooters prefer a spring with higher spring constant such as the MGI or Wolff Buffer – Again, the standard buffer will work but the MGI Recoil/Rate Reducing buffer is a popular item among big bore AR shooters Magazines – the .458 SOCOM was designed to work with any GI/Mil Spec magazine. We have not heard of any particular type or brand of magazine that did not function. Magazine capacities for the different size magazines are as follows: 10 rounds of .223 – 3 rounds of .458 SOCOM 20 rounds of .223 – 7 rounds of .458 SOCOM 30 rounds of .223 – 10 rounds of .458 SOCOM (have heard 12) 40 rounds of .223 – 13 rounds of .458 SOCOM (have heard 15) The MWG 90-round .223 drum can hold as many as 33-36 rounds of .458 SOCOM which makes for some formidable firepower. The BETA mag WILL NOT WORK with the SOCOM. .458 FAQ hope this gets ya started. 
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