Dustysa4
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Posts posted by Dustysa4
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+1 for flat triggers.
Also, if you feel the AR grip to trigger length has your hand all scrunched up, a flat trigger + fat grip w/thick backstrap will open your hand up a bit.
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On 4/11/2017 at 6:27 PM, Nathanb said:
Where did you find a pst 1-6 already
Several dealers have them in stock off and on. I bought from one of them and received it on 3/7/17. It was damaged during shipment, so I returned it and received the replacement exactly 10 days later. At the time, this dealer had a 15% off coupon code, so I was willing to wait. To my surprise, I didn't even have to.
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Anyone running or handled the Atibal XP8? Based on the only 2 reviews I've been able to locate, it seems interesting. Priced right above the Strike Eagle and doesn't seem to have a fisheye at 1x or a red/brown tinted image.
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Never had an out of battery issue in mine, but did have extremely heavy leading with Remington Thunderbolts. I think after a few quick strings of fire it melts the bullets that you leave chambered for any length of time. Haven't really tested my theory, but that's about all I can figure to explain the amount of leading I've had with those.
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What do you guys use for a buffer setup with your low mass bolt carrier? I was leaning towards a jp silent spring setup but wasn't sure if this would work with a super light carrier.
I use the Taccom buffer. http://www.tacticallink.com/Taccom-Ultra-Lightweight-Carbine-Buffer-for-AR15.html
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Anyone tried this one? http://www.aimsurplus.com/product.aspx?item=XAIMBCGN3LW $99 sale price for a low mass bolt carrier group.
I assume it was manufactured for the 'shaving ounces off my AR" club and not the "let's see if I can get my AR to shoot softer' club (I'm in the latter) but that shouldn't matter, right?
I'm curious about this BCG as well. In materials used, it seems very similar to the low mass BCG from Rubber City, which is over double the price. Rubber City's has a lifetime warranty, AIM's includes with a 30 day warranty (I emailed them to ask).
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Does the comp kit eliminate the "stretching and flexing" in a std trigger? I have FSS kits in 3 of my 4 M&P's (No. 4 is a .22). With my very limited skills I can't comment on splits, but I do know my accuracy greatly improved with the FSS over the std S&W trigger.
I don't run the CAEK at the moment, but I briefly had it in one of my guns. It eliminated the crappy trigger flex, but the trigger spring was so light that the trigger safety would catch on the frame of the pistol. Instead of grinding off the trigger safety, I simply went back to a factory trigger spring and that fixed the issue.
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Thanks for the insight. I do roll my own ammo for this rifle. Basically, I've had minor plans for the rifle for a while, and I'm finally motivated to make it happen. Original plans were only a floated handguard (I own but have not installed it yet) and a trigger. Since the A2 FSB will need to be cut or replaced...this got me internet shopping. The handguard and trigger, those are going to happen regardless. Not to improve my skill or anything, I just think they'd look/feel cool. :-) But of course they do have some added benefits for various types of shooting.
Since the rifle is going to be apart to replace the barrel nut for the handguard, and the FSB will need to be removed for that...it got me thinking about whether there is any meaningful reduction in recoil from a "slightly" lightened buffer and an adjustable gas block on a carbine. My local range has ranges up to 1000 yards. It'd be nice to see the steel bounce at the various long ranges instead of being bumped completely off target, and having to reposition between each shot. If it would help reduce that recoil, would it require adjustments when switching from 55 grain to 77 grain pills? I apologize, as I guess my original post was a bit confusing. I'm definitely doing at least some work to this rig, just curious what benefit or trade off can be expected from an adjustable gas block and a "kinda" lightened buffer on a carbine? I've seen a few threads about rifle length gas, adjustable gas blocks, and extremely lightened buffers and bcg's...the works. Not many threads regarding carbine length with minimal weight reductions. Is it not as beneficial? Not reliable across a broad range of projectiles/charges? At the end of the day I guess it's about a $75 difference between an adjustable and non-adjustable.
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I've got a Colt 6920 carbine, acquired before I discovered competitive shooting. I'm hoping to get some insight to determine whether my expectations for this gun are realistic, or if I should just build another upper.
The short version is that I'd like to transform the rifle to something less military spec, to something slightly more refined, but still a rounded gun, capable of occasional 3-gun, but also things like hunting & plinking. In other words, I'm not looking for a finely tuned sewing machine that requires constant tinkering. I like the general purpose aspect, I'd just like it a little more accurate, and a little lighter recoiling...
Plans would include ditching the m4 handguard for a floated tube. Since the A2 front sight will not fit under the tube, I was thinking of swapping in an SLR Sentry 7 and a reduced buffer of some sort (haven't decided what yet). Then I'd throw a comp on the end and call it done. I'd keep the standard BCG and Colt 16" carbine barrel. In your opinion will there be noticeable decrease in recoil with the SLR + reduced buffer? Or do you think that because I'm maintaining the m4 bcg and carbine gas system, I'd be wasting money, with no real felt difference?
I don't mind building another upper if that's deemed the better option, but since I'm just a casual competitor I'd like to avoid a 100% race gun that will be mostly wasted on me. Thanks for your experience and opinions.
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Thanks for all the feedback. I really do appreciate it.
If you are shooting FMJ bullets in a factory colt gun trim the brass the seat the bullets so if you decided to crimp, you would do so in the groove. If you want to crimp you have to trim otherwise its hard to get and set a consistent crimp. You are not going to be able to tell a difference of .02 either way with FMJ bullets in a colt barrel. Seat them so they function, they will shoot as well as they are going to shoot. You CAN seat a crimped bullet a little deeper in the case if you have to.... if the loaded rounds will case gauge they are fine but its not advised.
The goal is a C.O.L. setting on the seater die that I can use for these bullets and some 68/69 grain projectiles as well. Basically, I'm trying to get away with one less adjustment. All brass is being trimmed prior to the crimp.
I did get back out to the range and fired another 100 rounds, charges ranging from 22.5 to 24.1 grains. Again, all the primers looked flattened to me. I had a couple of seasoned hand loaders hanging around and they gladly inspected the cases. They told me basically what has been posted here. Thanks again!
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I ran the rounds back through the seater and crimped again. Thanks guys, I appreciate the help.
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I have rerun bullets through the seating die and had no problems. If you wish, you can rerun them through the FCD as well. Are you sure the primers look flat? If you are well below max you should be OK. Can you post a picture of the primers?
Cool, thanks! Unfortunately, my OCD compelled me to decap the flat primers and toss the brass in the dirty pile, dangit. They looked comparable to flattened primer pics I've searched online, but no extraction markings. Also, I'm having issues with primer seating depth, so I've started uniformitng the pockets, which seems to have fixed this issue. I do wonder if the high-ish primers caused it to "look" flattened, when in fact there is no pressure issue. I'm going to be back at the range to gather data on this new batch. I'll photograph this time if the issue persists. Thanks again!
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I'm pretty new to hand loading, so I just don't want to cause a problem that can be avoided. As the subject says, I've loaded 40 test rounds of various charges. They've all been kissed by a Lee FCD (collet style crimp). The pertinent data...
Rifle = stock Colt 6920
Bullet = Hornady 55gr FMJBT
Brass = WCC @ 1.750", reamed & uniformed
COAL = 2.260" average (so +/- .005")
Primer = CCI #400 SRP
Powder = Hodgdon H335
Some of the longer than average bullets are a tight fit in my PMAG's, and I'm thinking now that there probably isn't a need to have them loaded at the max SAAMI length. If it's a non-issue, I'd prefer to seat them deeper instead of pulling and starting over. But obviously, safety is a priority. The crimp die is set very light, and none of the bullets are crimped at the cannellure due to long OAL. I'm contemplating pressing them in to ~2.250" or so. Experience and opinions welcome.
On another note, I previously tested some of the above spec'd loads in the above rifle, with 24 grains of H335. This is a fair bit below the max load data in both the Lee and Lyman manual. I was getting great accuracy with this load, but also flattened primers. There was no other sign of pressure, so I'm not sure if the load is too hot, or if the bullet is in the lands or something?? Anyone else flattening primers below max load of H335? Again, experience and opinions welcomed. Thanks!
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I had a similar experience with S&W CS. Second time was a charm. Hopefully for you too.
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I agree that things should be left the same, or maybe even tightened up a bit.
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I really don't think returning the pistol is going to yield a different result. From a business standpoint, they will probably swap out factory parts for other factory parts. Based on my experience, that will still yield a heavy, rough trigger. I'm waiting for the day that I can buy a new M&P and find an acceptable trigger. Until then, I just budget the cost of trigger work/parts in to the equation.
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A good portion of the M&P trigger weight is the sear itself. But in a nutshell, the comp springs are going to be lighter than the standard factory springs, which are lighter than the duty/carry springs. You can put the competition springs with the FSS trigger kit, and it should further reduce the trigger weight. Or you could just simply use the factory springs in a FSS kit, and it will be lighter than either of the included springs. You can also mix and match your factory springs with springs from any kit you may buy.
My personal preference is an Apex sear and USB. I've been plenty happy with the factory springs. Honestly, the biggest difference i've noticed comes from the Apex USB...
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Call back tell them you want your gun fixed under the warranty. They might not send you the trigger bar (cheapest and easiest route all around) and you might have to send your gun to them but it beats a M&P paperweight.
I would also recommend keeping a spare gun. That way if S&W has to sit on it for 3 months, you've got something to compete with.
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Go to McFadden's website, they sell a M&P adaptor.
I must be completely missing it... Do you have a link?
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Mossberg would only pay to ship it back in my experience. Fortunately, the sporting good store I bought it from paid to ship it to Mossberg.
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Mine is a field model, converted over to somewhat resemble the JM. Having said that, I noticed that my piston assembly was not returning back under spring pressure alone. With the forend off and the bolt locked back on a CLEAN gun, you should be able to pull the piston assembly down and have the spring pop it back in place. If the bolt is dropped, it will obviously knock it in place. But ideally there shouldn't be any binding. I paid no mind to this, as the gun never malfunctioned. Later I ended up sending the gun and 2 barrels in for a different issue. Mossberg returned it with 2 new barrels and 2 pistons (before I shared 1 piston between the 2 barrels). Now the pistons snap back freely from the spring force, as they should. I believe the piston sleeve was slightly off center on both barrels, causing a slight bind. Just thought I'd share in case this is your issue.
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The RAM pulls the trigger bar loop against the sear with more force. It's enough to give a noticeable reset sound and feel when the loop snaps back in front of the sear. If a tactile reset is important to you, you'll need to double check that your pistol can accept the RAM. Basically, if you've got a plug in the frame where the internal lock would go, then your pistol can accept the RAM. Check the Apex site for more info if you're unsure. But with this part, when you feel/hear the click, your pistol IS reset. No more trigger movement necessary.
About the false reset... This is typically caused by the interaction of the striker block and the trigger bar tab (that disengages the striker block safety). As the trigger moves to reset, the striker block is also re-engaging when the trigger bar tab slides out from under it. You're probably feeling the striker block begin to move down, and it feels like a reset. You can verify this by shining a flashlight under the gap in the striker back plate. You can watch the striker block move up and down, and see if what you're feeling is when the striker block begins to drop. This can usually be fixed by adding the USB, which you already have installed. Also, a very minimal amount of polishing to the trigger bar tab where interaction occurs can help.
There is quite a bit of room for improvement in these triggers, but what I've found is that I don't shoot to reset. I have M&P's with RAM's, and one without. Once the buzzer sounds, I can't tell the difference. YMMV.
Anyone handle an Atibal XP8?
in Multi-gun Gear & Accessories
Posted
I ended up with a gen 2 Viper PST 1-6x. However, a buddy bought the Atibal XP8 and Burris RT-6 for comparison. Between the two, I personally preferred the XP8, but he ended up selling it in favor of the RT-6. The Viper costs a bit more, but it is nicer than both.