Windham Weaponry RMCS-3 Rifle Combo 5.56/.300 Blackout/7.62x39 16 in. Black - Blue/Black, 16.2" Barrel, 30 Rounds, Synthetic, Black Synthetic Stock

Questions & Answers

• Q: Does it come with complete manual/instructions to change barrel/receiver/bolt/mag well? Or is all that online? The 223 and 300ac mag are the same?

  • Answered
  • Asked 03/30/2019 01:47 by Sean C

  A:

  Sean-- I don't know if instructions are included, but would guess they are. I would suggest getting on You Tube and finding a 'how to' video for changing the barrel. There are many. It isn't too complicated, really, but one needs the right tools, including a torque wrench. 300 BO can use the same magazine as .223/5.56. There is no changing of the bolt or mag well - they are the same for 223/5.56 and 300 BO./ For the 7.62X39, one will need to change barrels, bolts, and use the mag well insert - and the 7.62X39 does use a different mag (the more 'curved' one). Honestly, the 300 BO and 7.62 X 39 are very, very close, ballistics wise. Not sure I'd go for this kit, really. Easier to buy a 223/5.56, and just a 300 BO barrel, or just a 300 BO complete upper, where changing out would be a matter of seconds, no tools required. . Cheaper, too, and one gets about the same performance with 300 as with 7.62X39, and less ammo to buy too, Hope this helps and if you go for it, have fun!

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• Q: Can you get this kit with the 9mm barrel setup instead of the 300 BO?

  • Answered
  • Asked 09/10/2017 16:18 by Gerard W

  A:

  i dont think so as this kit comes with whats in the kit. You can purchase the necessary parts to convert it to 9mm on windhams website and then youre good for four calibers. https://shop.windhamweaponry.com/collections/mcs-multi-caliber-system

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