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Posted: 2/16/2020 8:31:55 PM EDT
I PREFER the J.P. Enterprises LMOS QPQ carrier but ar over $200.00 STRIPPED I can’t afford to use it in my “beater” AR’s.
I ran across the Brownells lightweight bolt carrier GROUP for $122.99 and I thought, “What the hell, it’s cheap!” After getting it in and trying it, I ordered another one! It’s listed as having a Nitride finish and that’s a plus! After examining it, I thought I’d seen the exact design before, I’m damn sure it’s manufactured by F1 for Brownells. F1 lists theirs at $325.00, OVER $200.00 higher than the Brownells unit! Brownells carrier... 
F1’s carrier 
Talking about a bargain! |
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Posted: 2/16/2020 8:44:17 PM EDT
[#1]
That was a review?
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Posted: 2/16/2020 8:46:28 PM EDT
[#2]
Quote HistoryQuoted:
That was a review? Hey, I ordered a second one. |
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Posted: 2/16/2020 8:50:48 PM EDT
[#3]
Quote HistoryQuoted:
Yep, Short! Hey, I ordered a second one. Quote HistoryQuoted:
Quoted:
That was a review? Hey, I ordered a second one. |
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Posted: 2/16/2020 9:13:53 PM EDT
[#4]
What spring do you prefer with the light weight carriers?
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Posted: 2/16/2020 9:15:16 PM EDT
[#5]
I’ve had one sitting in my cart waiting for a coupon code. Thanks OP!
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Posted: 2/16/2020 9:20:20 PM EDT
[#6]
Quote HistoryQuoted:
Break those bad boys down, post some pics of individual components. Quote HistoryQuoted:
Break those bad boys down, post some pics of individual components. Quoted:
What spring do you prefer with the light weight carriers? |
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Posted: 2/16/2020 10:10:27 PM EDT
[#7]
Quoted:
I PREFER After examining it, I thought I’d seen the exact design before, I’m damn sure it’s manufactured by F1 for Brownells. F1 lists theirs at $325.00, OVER $200.00 higher than the Brownells unit! Brownells carrier... https://i.imgur.com/gQttXpf.jpg F1’s carrier https://i.imgur.com/AER71JJ.jpg Talking about a bargain! |
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Posted: 2/17/2020 2:14:49 AM EDT
[#8]
Discount code YAB got me 10% off. As Edge member, cost me $98.xx shipped 2-day.
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Posted: 2/17/2020 11:03:20 PM EDT
[#9]
The Brownell's carriers are made by Toolcraft. They are the same carriers that Cryptic Coating uses as well.
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Posted: 2/19/2020 9:55:38 PM EDT
[#10]
Received my BCG today snapped some pics...
From left to right: unfired A.O. phosphate BCG (11.6 oz.) PRI Nitide BCG ~800rds (11.5 oz.) new Brownells Lightweight BCG (8.2 oz.) 
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Posted: 2/20/2020 12:06:35 AM EDT
[#11]
Hell, I ordered another one!
I know they have them on sale, I’m not sure what the price will return to. 
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Posted: 2/20/2020 12:54:31 AM EDT
[#12]
I have one of these but it doesn’t open my strike industries dust cover. My JP LMOS BCG does. Anyone else have experience with this carrier and other dust covers?
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Posted: 2/20/2020 1:00:55 AM EDT
[#13]
Quote HistoryQuoted:
I have one of these but it doesn’t open my strike industries dust cover. My JP LMOS BCG does. Anyone else have experience with this carrier and other dust covers? |
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Posted: 2/20/2020 1:18:48 AM EDT
[#14]
Can they be used with normal buffer spring?
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Posted: 2/20/2020 2:08:38 PM EDT
[#15]
Quote HistoryQuoted:
Break those bad boys down, post some pics of individual components. Quote HistoryQuoted:
Break those bad boys down, post some pics of individual components. @Tigwelder1971 @JWC3G The staking appears fine. 
The Bolt is clearly marked MPI & 9310 
The extractor appears to be a casting, I will be replacing the extractor spring with a Colt Copper colored unit. 
Quoted:
I have one of these but it doesn’t open my strike industries dust cover. My JP LMOS BCG does. Anyone else have experience with this carrier and other dust covers? One has a Rock River 9mm Upper drilled for a gas tube with a Rock River dust cover door, it opens it every time. The other has an Aero non-Forward Assist upper with a Rock River dust cover door, it opens it every time. |
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Posted: 2/20/2020 2:27:16 PM EDT
[#16]
Your bolt looks good.
Mine has “MPI” in that Times sarif font that is usually printed on all things Chinesium. Not saying that it is Chinese made; Toolcraft website shows bolts with the same font as mine. |
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Posted: 2/20/2020 2:48:49 PM EDT
[#17]
Quote HistoryQuoted: They aren’t J.P. Enterprises LMOS QPQ carriers (my favorite), BUT IMHO they’re a steal at the current price! @Tigwelder1971 @JWC3G The staking appears fine. https://i.imgur.com/FFxtB1M.jpg The Bolt is clearly marked MPI & 9310 https://i.imgur.com/SxAxGwC.jpg The extractor appears to be a casting, I will be replacing the extractor spring with a Colt Copper colored unit. https://i.imgur.com/hAbZLh9.jpg I checked them on the two AR’s I have them in... One has a Rock River 9mm Upper drilled for a gas tube with a Rock River dust cover door, it opens it every time. The other has an Aero non-Forward Assist upper with a Rock River dust cover door, it opens it every time. |
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Posted: 2/20/2020 3:27:44 PM EDT
[#18]
Quote HistoryQuoted: They aren’t J.P. Enterprises LMOS QPQ carriers (my favorite), BUT IMHO they’re a steal at the current price! @Tigwelder1971 @JWC3G The staking appears fine. https://i.imgur.com/FFxtB1M.jpg The Bolt is clearly marked MPI & 9310 https://i.imgur.com/SxAxGwC.jpg The extractor appears to be a casting, I will be replacing the extractor spring with a Colt Copper colored unit. https://i.imgur.com/hAbZLh9.jpg I checked them on the two AR’s I have them in... One has a Rock River 9mm Upper drilled for a gas tube with a Rock River dust cover door, it opens it every time. The other has an Aero non-Forward Assist upper with a Rock River dust cover door, it opens it every time. Is the firing pin finish scared up from something on the nitrde BCG? |
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Posted: 2/20/2020 4:30:37 PM EDT
[#19]
Quote HistoryQuoted:
Is the firing pin finish scared up from something on the nitrde BCG?
That was the second PRI BCG with that wear on the firing pin (PRI replaced the first one). I’ve been at a loss with that one; never seen that wear on any other BCG. I assume is a difference in hardness. Hasn’t caused any issues. |
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Posted: 2/20/2020 5:04:39 PM EDT
[#20]
Just wanted to make sure it was not just the lighting in the pic making it look different.
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Posted: 2/20/2020 5:18:43 PM EDT
[#21]
Quote HistoryQuoted:
The Brownell's carriers are made by Toolcraft. They are the same carriers that Cryptic Coating uses as well. Here’s the specs.... Technical Specs: • Gas system: Direct Impingement • Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout • Finish: Salt Black Nitride • Bolt: 9310 Alloy Steel (High Hardness) • Carrier: 8620 Aircraft Grade Steel • Extractor: Shot Peened and Case Hardened D2 Tool Steel • Firing Pin: Mil-spec 8740 steel with hard chrome finish • Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed • Cam Pin: 8620 Steel w/ Black Nitride Finish • Quality Control: MPI Inspected for QC Total Weight – 8.2 oz |
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Posted: 2/20/2020 6:33:18 PM EDT
[#22]
Quote HistoryQuoted:
Yep, Short! Hey, I ordered a second one. Quote HistoryQuoted:
Quoted:
That was a review? Hey, I ordered a second one. 
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Posted: 2/20/2020 6:59:12 PM EDT
[#23]
Quote HistoryQuoted: They aren’t J.P. Enterprises LMOS QPQ carriers (my favorite), BUT IMHO they’re a steal at the current price! @Tigwelder1971 @JWC3G The staking appears fine. https://i.imgur.com/FFxtB1M.jpg The Bolt is clearly marked MPI & 9310 https://i.imgur.com/SxAxGwC.jpg The extractor appears to be a casting, I will be replacing the extractor spring with a Colt Copper colored unit. https://i.imgur.com/hAbZLh9.jpg I checked them on the two AR’s I have them in... One has a Rock River 9mm Upper drilled for a gas tube with a Rock River dust cover door, it opens it every time. The other has an Aero non-Forward Assist upper with a Rock River dust cover door, it opens it every time. |
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Posted: 2/20/2020 8:46:28 PM EDT
[#24]
Telling from the sharp skeltonized cut right from the back of gas key area, the brownells lightweight carriers don't fill the whole ejection port which allows dirt and mud to enter the action and even foul the FCG.
With the carrier in place, you'll see a access hole distal from the muzzle end on the superior most aspect. |
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Posted: 2/20/2020 9:48:23 PM EDT
[#25]
Quote HistoryQuoted:
Telling from the sharp skeltonized cut right from the back of gas key area, the brownells lightweight carriers don't fill the whole ejection port which allows dirt and mud to enter the action and even foul the FCG. With the carrier in place, you'll see a access hole distal from the muzzle end on the superior most aspect. I don’t think it will be much of a problem. 
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Posted: 2/20/2020 10:18:18 PM EDT
[#26]
Fwiw, the Alexander Arms and (one piece) Adams Arms lightweight carriers fill the entire ejection port.
The budget friendly, nitride lightweight carrier from KM tactical ($55) looks similar to the brownells one but with more material to cover the hole as the two mentioned above. I have one on order to test fit. Aim Surplus lightweight carriers are cut to short to produce the same gap. |
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Posted: 2/22/2020 4:11:30 PM EDT
[#27]
With test fit, the KM tactical leaves a gap. Funny enough, the carrier was advertised with a staked key in place but I received the key with screws to the side. Atleast fast shipping.
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