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Thread: LMT MRP piston Cam Pin Wear? - Pics

  1. #41
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    Quote Originally Posted by rifle_eyes View Post
    so you're saying just keep wearing the gun out more?
    I am sorry for not being clearer.

    As others said, the cam pin is a wearable item. The LMT enhanced bolt carrier produces a different wear pattern on it than other bolt carriers. While this wear pattern is slightly more pronounced than other bolt carriers it is not an issue.

    Quote Originally Posted by rifle_eyes View Post
    I also know that you shouldn't have to replace weapon parts every "xx-xx" rnds. A weapon should last a life time with what's in it. You have AKs/1911s/garands, why should this gun be any different?
    Really?

  2. #42
    Dano5326 Guest
    a car, bicycle, stapler any machine or esp a weapon all have maintenance requirements.. laughingly a 1911 is an especially worse offender in this regard & an M1 Garand is hardly as easy to maintain as a lego-esq Ar15. To rant about other expectations is merely showing ignorance.

    Have the best day ever!

  3. #43
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    Quote Originally Posted by rifle_eyes View Post
    Yes, I know it was every 3000-5000 rnds, I know what "k" stands for. I also know that you shouldn't have to replace weapon parts every "xx-xx" rnds. A weapon should last a life time with what's in it. You have AKs/1911s/garands, why should this gun be any different?
    I think you have unrealistic expectations for what a mechanical device made from metal can do. I'm unaware of any type of machine that can be run for a lifetime in stock condition. The three types of guns you mentioned certainly don't fit the bill, if you have any kind of regular firing schedule.

  4. #44
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    Quote Originally Posted by rifle_eyes View Post
    Yes, I know it was every 3000-5000 rnds, I know what "k" stands for. I also know that you shouldn't have to replace weapon parts every "xx-xx" rnds. A weapon should last a life time with what's in it. You have AKs/1911s/garands, why should this gun be any different?
    In my opinion, replacement every 3,000 to 5,000 rounds in a rifle, for an inexpensive and easy to replace part is very reasonable.

    It's all about trade offs. There is good and bad to every gun.

    Joe Mamma
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    NRA Certified Pistol and Rifle Instructor, Life Member
    Glock Certified Armorer
    Beretta & Sig Sauer Certified Pistol Armorer
    Colt Certified 1911 & AR-15/M16/M4 Law Enforcement Armorer

  5. #45
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    Every mechanical object has a service life.

    And actually 1911 pistols have one of the shortest.
    We miss you, AC.
    We miss you, ToddG.

  6. #46
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    Quote Originally Posted by rifle_eyes View Post
    Yes, I know it was every 3000-5000 rnds, I know what "k" stands for. I also know that you shouldn't have to replace weapon parts every "xx-xx" rnds. A weapon should last a life time with what's in it. You have AKs/1911s/garands, why should this gun be any different?
    You sir are wrong. Only with proper preventative care will ANY firearm last a life time. Parts will wear on ANY mechanical device to think otherwise is ignorance. Do you replace parts on your vehicle at regular intervals? Forget replacing just the cam pin at 3-5k rounds at that point it would be better just to replace the BOLT all together.

    If you shoot 3-5 k out of this gun I would be surprised....figure 300 dollars per 1000 rounds which is 1500 dollars at 5k rounds....see what I am getting at here? A 70 dollar bolt or at bare minimum a cam pin at what 10 dollars...what's the big deal?

    There are intustry pro's and SME's here telling you that you are wrong (I am neither of those). Parts WILL need replaced on you AR even if it is a piston gun, listen to any instructor and they will tell you the same. EAG tact has a gun with 37,000 plus rounds on it and it has gone through 2 BCG and still running like a top.

  7. #47
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    Sounds like your definition of PM and weapon "lifetime" may differ from many members' opinions. As a shooter of 1911s, I can attest to PM schedules. Glock 19 and WASR may be close to meeting your criteria though!

  8. #48
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    Quote Originally Posted by rifle_eyes View Post
    I think more discussion is needed on this.
    it's obvious that you don't know much about this platform, nor guns in general- you need to listen to those who do.

    first of all, there's nothing wrong with your cam pin.

    secondly, ALL guns have wear parts that need replacing, and the AR is no exception. you mentioned 1911s- perfect example. 1911s generally need smith-fit replacement parts every 5k. it's one of the most maintenance-heavy guns you can own. the AR, on the other hand, should be pretty good out to 10,000 rounds- but as part of intelligent PM (preventative maintenance), we replace parts before they fail on us.

    replacing the cam pin at 5k probably isn't necessary. but if you do, your bolt might last 10-15k, so it's probably a good idea.

  9. #49
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    Quote Originally Posted by rifle_eyes View Post
    Yes, I know it was every 3000-5000 rnds, I know what "k" stands for. I also know that you shouldn't have to replace weapon parts every "xx-xx" rnds. A weapon should last a life time with what's in it. You have AKs/1911s/garands, why should this gun be any different?
    There are parts on every weapon that need replacing after a certain round count/at certain round count intervals; nothing new in the game there, it has been very well documented by heavy users/operators of every platform out there. You can find guidelines for replacement intervals in a thread here i fyou search for it.

    Saying anything with moving parts (Especially moving parts that are moving violently fast as firearms do) should/will last a lifetime without replacement parts is pretty ignorant; I can't think of one thing (Be it gun, guitar, phone, toaster, car, computer, etc, etc, etc) that has moving parts that lasts a lifetime without a certain amount of repair or replacement to its supporting parts; can you provide some examples of these 100% perfect for life objects you are referring to?

    By the way, Ak's/1911's/garands all need replacement parts after a certain amount of wear/certain round count intervals just like every other gun made ever.

    Do you think you can shoot unlimited rounds in a barrel (Any barrel) without wear to the rifleing and a subsequent decrease in accuracy?

    Unicorns, manbearpigs, Dragons, and 100% perfect non replacement parts needed guns do not exist in this reality as of yet. I wouldn't hold my breathe either...

  10. #50
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    Guns are mechanisms with moving parts. Moving parts have finite lifespans. Some longer than others, but eventually they wear out. Do you think every Garand at the CMP wharehouse has the same parts it shipped with? The MEU SOC 1911's get rebuilt on a regular basis to include new slides and barrels. Cars don't last forever, and neither do guns.

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