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Thread: New To Forum AND M4 Rifle

  1. #1
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    New To Forum AND M4 Rifle

    Howdy, folks.

    I'm a new Bushmaster M4A2 owner. I have a couple of questions, and couldn't find any threads relating...

    One: magazines. A guy at work--who doesn't own either the AR15 or the M4--told me Bushmaster magazines are different than AR15 mags. My dealer gave me a 30-round in addition to the 20-rd that comes with it; but, I wish to purchase more magazines prior to this fall. Will mags shown for the AR15 also fit and function in my M4?

    Two: receiver. Instruction book states clean before first firing (I do this anyway on new other firearms), and ensure no excess oil in receiver. States excess oil may cause receiver to explode on firing. Any guidance on that?

    I only have two rifles--an old SKS, and my wonderful new Bushmaster! Many handguns, though...

    I appreciate any help y'all could give me here. It took me at least 2 years to come around to the .223 chambered rifles, actually more like about 20!

    Y'all take care.
    Mick
    NRA Life; GOA; TSRA; Texas CHL Holder.
    "Fast is fine; accuracy is final. You need to learn to shoot slow, real fast."--Wyatt Earp

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  3. #3
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    Any AR-15 mags should fit. The most reliable tend to be USGI or Magpul P-Mags. I like the P-Mags. Cheap. Very durable. And very reliable. Get some.

    As far as excess oil in the receiver making it explode, that's a negative. Use the search function and look-up lubrication. Their are many threads discussing types and procedures. Pick a good one (Slip200, WeaponShield, MachineGunners lube, Militec, whatever) and use it. You don't have to hose it down, but it needs lube to run, and it runs better on more than less.

    Some will tell you that lube will attract dirt, dust, etc.... Yada, yada, yada, blah, blah, blah.... I've had mine pretty dusty, dirty, and fouled, and so long as it was kept lubed it ran just fine!


    -RD62

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    Quote Originally Posted by Mick_In_Texas View Post
    Howdy, folks.

    I'm a new Bushmaster M4A2 owner. I have a couple of questions, and couldn't find any threads relating...

    One: magazines. A guy at work--who doesn't own either the AR15 or the M4--told me Bushmaster magazines are different than AR15 mags. My dealer gave me a 30-round in addition to the 20-rd that comes with it; but, I wish to purchase more magazines prior to this fall. Will mags shown for the AR15 also fit and function in my M4?

    Two: receiver. Instruction book states clean before first firing (I do this anyway on new other firearms), and ensure no excess oil in receiver. States excess oil may cause receiver to explode on firing. Any guidance on that?

    I only have two rifles--an old SKS, and my wonderful new Bushmaster! Many handguns, though...

    I appreciate any help y'all could give me here. It took me at least 2 years to come around to the .223 chambered rifles, actually more like about 20!

    Y'all take care.
    Mick
    I've read something about bushmasters mags being alittle different also.But not sure.

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    Could he have been talking about the curved 20's that Bushmaster shipped? If I recall those were different in that they weren't USGI at all.

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    Quote Originally Posted by BC520 View Post
    Could he have been talking about the curved 20's that Bushmaster shipped? If I recall those were different in that they weren't USGI at all.
    May have been.I've heard of some people had to bend or ding the mag for it to drop.

  7. #7
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    EVERYONE: Thank You ALL!

    The only two other firearms forums I'm a member of have to do with the 1911/1911A1 pistol. I was welcomed there very roundly, and made to feel at home; I'm no longer a newbie to that fine firearm. I want to thank you folks for welcoming me here: I am very new to the AR15/M4 rifle platform... my dealer on several of my 1911s worked on me for nearly 2 years to convince me that M16/M4 civilian variants in the .223 Winchester/5.56x45mm NATO caliber are FINE rifles.

    I LOVE my Bushmaster M4A2. I've also realized that the .223 has its uses... and I SURELY thank you folks for welcoming me to the brother/sisterhood of the "little black rifle".

    Especially, y'all, thank you for the information not only on AR15 magazines working in the M4s, but for the good instruction on brands for aftermarket purchase: duly noted, and will pursue! My two included mags are the Bushmaster 20-rd curved and the 30-rd curved, grey Teflon finish. They both drop clean when released, no hanging up, so the one person's comment may not apply to my two Bushmaster OEM mags. My dealer on this one also suggested Pmags; he had some major experience with the M16 in the Army, as he was a Sharpshooter with the M16 and loves our "little black rifles".

    And the same for the lubrication hints and instruction! Again, duly noted and will abide by. Some of the suggested lubricants, I'm unfamiliar with, but will check into, and perhaps also for my 1911s and other pistols and revolvers, as well as my ol' SKS. I've got to join a rifle range. I have a cleaning kit for my M4 and SKS. Pistols are easy for me, as I carry and shoot them frequently... rifles, more intimidating. But, a law-abiding citizen NEEDS at least one good, reliable, functional rifle for a number of reasons.

    I'm HONORED to meet you folks in the "little black rifle" group. Thank you for the welcome, and thank you for the information. Y'all take care, and hopefully I'll learn much about my M4 here...

    Y'all take care and be safe and have a great weekend.
    Mick
    NRA Life; GOA; TSRA; Texas CHL Holder.
    "Fast is fine; accuracy is final. You need to learn to shoot slow, real fast."--Wyatt Earp

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  9. #9
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    Quote Originally Posted by Mick_In_Texas View Post
    The only two other firearms forums I'm a member of have to do with the 1911/1911A1 pistol. I was welcomed there very roundly, and made to feel at home; I'm no longer a newbie to that fine firearm. I want to thank you folks for welcoming me here: I am very new to the AR15/M4 rifle platform... my dealer on several of my 1911s worked on me for nearly 2 years to convince me that M16/M4 civilian variants in the .223 Winchester/5.56x45mm NATO caliber are FINE rifles.

    I LOVE my Bushmaster M4A2. I've also realized that the .223 has its uses... and I SURELY thank you folks for welcoming me to the brother/sisterhood of the "little black rifle".

    Especially, y'all, thank you for the information not only on AR15 magazines working in the M4s, but for the good instruction on brands for aftermarket purchase: duly noted, and will pursue! My two included mags are the Bushmaster 20-rd curved and the 30-rd curved, grey Teflon finish. They both drop clean when released, no hanging up, so the one person's comment may not apply to my two Bushmaster OEM mags. My dealer on this one also suggested Pmags; he had some major experience with the M16 in the Army, as he was a Sharpshooter with the M16 and loves our "little black rifles".

    And the same for the lubrication hints and instruction! Again, duly noted and will abide by. Some of the suggested lubricants, I'm unfamiliar with, but will check into, and perhaps also for my 1911s and other pistols and revolvers, as well as my ol' SKS. I've got to join a rifle range. I have a cleaning kit for my M4 and SKS. Pistols are easy for me, as I carry and shoot them frequently... rifles, more intimidating. But, a law-abiding citizen NEEDS at least one good, reliable, functional rifle for a number of reasons.

    I'm HONORED to meet you folks in the "little black rifle" group. Thank you for the welcome, and thank you for the information. Y'all take care, and hopefully I'll learn much about my M4 here...

    Y'all take care and be safe and have a great weekend.
    Mick
    Don't get me wrong BM ars are great from what I hear ,Iuse BM parts& the military uses them.

  10. #10
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    Thank You Phoric

    Quote Originally Posted by phoric View Post
    Sure thing Mick.

    The only other thing I would look into for your Bushmaster is inspecting it for a properly-staked Bolt Carrier Key and staked Castle Nut (if you have a collapsing stock). Unfortunately Bushmaster is well known for having inconsistent quality control, and these steps are important for continued reliability.

    Check out this thread on carrier key staking, and what a properly staked key should look like: https://www.m4carbine.net/showthread.php?t=6993

    You should be able to do a search on this and the castle nut staking issue for more info. I know that Grant at G&R Tactical, who also belongs to these forums, is a BM dealer and might be able to take care of this for you.

    On the Mag issue, I wouldn't worry about it. I'm not sure how reliable the Bushmaster-brand magazines are these days. About 10 years ago I had one of their 10-rounders (from the Clinton "ban" days) and it was junk. Anyways, just pick up some P-Mags and you'll be all set. As for lube, just use whatever works best for you. Perhaps try a few quality brands that have already been mentioned above, eventually you'll figure out what you like. Some people even use 10w30 motor oil with some success. There are a bunch of other threads on this topic if you want to look into it more. I use Slip 2000 for everything.. Handguns, rifles, shotguns.

    Go shoot your rifle and let us know how it does.
    I'll look into this. Sorry I didn't reply sooner: have been out of town the past few days on business.

    On my 1911s, have also heard about 10W30 and other motor oils! Hate to hear my first chosen brand has QC issues... so far, rifle seems pretty solid, but, live in apartment and have to find a rifle range to fire/learn to fire. I've jacked a few rounds through the bolt from the magazines that came with; the 20- and 30-rd Bushmasters. Will see what the four Pmags in 30-rd do when received.

    Will clean initially, as I did my Mossberg shotgun (500 Enforcer), Ruger GP100 and Ruger P90, and all 7 of my 1911 platforms, prior to first fire. Same with that ol' SKS with scope, no bayonet. I really like the feel, weight, and handling of my Bushmaster M4A2, OEM sights seem VERY good! The Bush teflon mags also seem very good; but am looking forward to my Pmags prior to first firing. The weapon see
    NRA Life; GOA; TSRA; Texas CHL Holder.
    "Fast is fine; accuracy is final. You need to learn to shoot slow, real fast."--Wyatt Earp

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