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Which case are you using?Testing out the "old" site. My JP LRP-07. Has the dual charging upper. I picked it up from another hide member from the scout site. SAS suppressor, Burris XTR II 4-20 in AD mount.
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I havent had time to really test accuracy, but I did shoot a quick MOA group out of the back of the truck off the cheap bipod when sighting it in. Smoothest AR platform I've shot yet.
You just threw the scope on for the pic, right?
That's not intended to be it's permanent location?
That's not intended to be it's permanent location?
You’ve never had a cheek weld on the pic rail? It’s all the rage these days
Kidding aside - I’d just make sure your optic mount is on the upper receiver only and not extending into the hand guard section
Honestly, I hadn't noticed. I was just trying to get the relief I needed but I will be checking it tonight I would definitely want it on the receiver and not on the handguard.
Looking for an optic , trying to to go for a CQB /mid range set up
Finished this build today. Might need to switch to an orange Springco spring as I have a green one, but I’ll figure that out when I shoot it. Still needs an RDS, light, and paint.
First large frame, probably not my last.
First large frame, probably not my last.
Upper:
Ballistic Advantage receiver set (same thing as the Aero)
Wilson Combat Recon 16”, 1-11.25” barrel
OSS Helix 762 QD on their flash hider
SLR Quad 15” handguard
SLR Sentry 7 gas block
Wilson Combat intermediate gas tube (between mid and rifle length)
Aero BCG
Radian Raptor SD handle
Lower:
Geissele SD-E
Radian Talon ambi safety
Magpul K2+ grip
Aero M5 LPK
Phase 5 bolt catch/release (essentially a one piece BAD lever
Vltor RE10 buffer tube
Springco Green spring (may change to a Red or Orange)
KAK standard length H2 buffer
BCM Mod 1 stock
Stuff:
Primary Arms mount + their RDS top ring to eventually host a 509T
SWFA 3-9x42
Magpul MBUS Pro-LR
Atlas CAL v2 on an ADM QD mount
Trex sling
Armageddon Gear suppressor cover
Will most likely end up with a Cloud Defensive Rein 3.0 on there along with the mentioned 509T, and a multicamish point scheme. This is assuming it works, and I enjoy it.
It’s one of the pelican storm cases. It’s currently in storage, but I should have access to her again next month.
Minor change. Sopmod stock and Sig 30mm mount.
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Got my scope off the pic rail not sure why I didn’t check that thanks to all who pointed it out
First few groups at 100y today. Nothing impressive with American Eagle 150 FMJ being the best 5 round group. AE top right, 175 FGMM center, S&B M80 bottom left, Winchester M80 bottom right. The drawn squares are about 1-1.5”. I learned today that a large frame exposes EVERY flaw in your fundamentals. These are not forgiving.
JP LRP-07 .308, ZCO 4-20, TriggerTech Diamond, MDT CKYE Pod, FGMM 168
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Thinking about building a "SPR" type rifle on an Aero set.
I want to keep it at about 10-12 lbs with scope.
I am looking at Criterion 18" hybrid barrels as I kinda want to keep weight down a bit and not end up TOO muzzle heavy.
Any other recommendations for barrels?
I want to keep it at about 10-12 lbs with scope.
I am looking at Criterion 18" hybrid barrels as I kinda want to keep weight down a bit and not end up TOO muzzle heavy.
Any other recommendations for barrels?
Wilson Combat Recon at 32ish oz.
This build as pictured is about 11.6lbs (minus bipod). This is an 18oz SLR rail as well, so you could definitely shave some weight with an MLOK handguard.
Thanks. I took my WOA 556 spr out to 900 yesterday.
It is fantastic. If they made AR10 barrels I would buy one.
It is fantastic. If they made AR10 barrels I would buy one.
What magazine is that?gen 1 noveske leonidas , i installed a micro switchblock from a gen 3 leonidas
- F-1 Firearms BDRx-10 Receiver Set
- F-1 Firearms C7M 16.75” Handguard
- Craddock Precision/Bartlein 22" 1:8 Barrel
- Area 419 Hellfire Muzzle Brake
- Geissele SD-E
- JP AR10 Heavy H2
- JP Full Mass w/ Enhanced Bolt
- JP Enterprises Silent Captured Spring
- Magpul PRS Gen 3 Stock
- Wilson Combat Tactical Bolt Release
- Seekins Billet Magazine Release Button
- Breek Arms Warhammer Charging Handle
- MDT Vertical Grip
- Nightforce ATACR 7-35x56mm F1, Mil-XT
Edit: Binding likely to be because I'm an idiot and didn't use the spacer since it's a rifle length tube.
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Went with 6.5CM since my AT-X is the same, was looking for caliber consistency to keep things simple with ammo.
Not a build but I like this sig, good shooter and not expensive, larue stock/trigger, PSA cheap scope
Ammo was m118LR fired from a mechanical rest for sight-in
That's about the best I can shoot any carbine tbh
Here's another with m80 first 5 shots of the day:
Ammo was m118LR fired from a mechanical rest for sight-in
That's about the best I can shoot any carbine tbh
Here's another with m80 first 5 shots of the day:
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Aero upper, lower, hand guard, LPK and charging handle
SSA-E trigger
PRS srock
Magpul grip
Wilson Combat 20” .308 barrel
Rubber City high pressure BCG
M4-72 muzzle brake
Vortex PST Gen II 5-25
Looking at scope mounts right now. Haven’t picked one yet.
With my Aero 6.8 and Glock 21.
Hello,
Built a xanthos light reciever set with the following parts and the rifle is not cycling properly. I tried shooting the rifle and adjusting the gas block open until it locked out. And went all the way to the open position and couldn’t find a way to have it pick up a round from the magazine. The groups are very tight which is encouraging but it isn’t locking back on the bolt face but only on the bolt carrier instead. Any help or recomendations anyone could provide to help getting it cycling would be greatly appreciated. I’ve tried lancer mags as well as magpul. Thank you for your help in advance.
Xanthos light reciever set
Trigger tech diamond trigger
JP BCG and bolt
Aero carbine buffer tube spring and buffer
Odin works adjustable gas block
Wilson combat 16” barrel 1:11.25 twist 308
Magpul ctr stock
Silencerco asr brake
Built a xanthos light reciever set with the following parts and the rifle is not cycling properly. I tried shooting the rifle and adjusting the gas block open until it locked out. And went all the way to the open position and couldn’t find a way to have it pick up a round from the magazine. The groups are very tight which is encouraging but it isn’t locking back on the bolt face but only on the bolt carrier instead. Any help or recomendations anyone could provide to help getting it cycling would be greatly appreciated. I’ve tried lancer mags as well as magpul. Thank you for your help in advance.
Xanthos light reciever set
Trigger tech diamond trigger
JP BCG and bolt
Aero carbine buffer tube spring and buffer
Odin works adjustable gas block
Wilson combat 16” barrel 1:11.25 twist 308
Magpul ctr stock
Silencerco asr brake
Ok , do you know of a lighter 308 carbine buffer than the aero carbine buffer ? Thank you for the advice
That barrel uses a proprietary length gas tube, make sure you have the correct one. Did you get the 308 short carbine buffer (2.5")? Can you manually engage the bolt catch? Next would be to perform a short stroke firing test.
The carbine buffer measures 2.5” and weighs 107 grams . I also tried a carbine buffer that weighed 129 grams just to see if it would help. The gas tube has approximately 1” protruding into the upper reciever. I can manually engage the bolt catch and hit the bolt release so it picks up a round. If I were to shoot till it locks back on an empty mag and insert a new mag and hit the bolt release it won’t pick up rounds from that new mag because it’s locked back on the bolt carrier face and not the actual bolt face. Possibly run a different spring?
If you can't manually pull it back far enough for the bolt catch to lock on the BOLT FACE, then you have the wrong spring in there. I can affirm this will happen if you have a normal AR15 carbine spring instead of the correct 308 spring. If you CAN lock back on the bolt face by manually pulling the charging handle, then you're under-gassed.
The gas tube should extend to the halfway point of the cutout for the cam pin, as viewed from below through the magwell.
If your gas block is retained by set screws, make absolutely sure it's in the proper place and set screws tight.
Make sure the gas block is open all the way until you get this sorted out.
By all means, you should NEVER have to go even lighter than your Aero buffer.
When checking for function always properly shoulder the weapon so it will have something to recoil against, otherwise it may short stroke.
Oil the crap out of your BCG at least until you have like 200-300 rds through it.
Just put one rd at a time in the magazines for testing and use multiple magazines to rule out the possibility of a weak one.
If you grab the charging handle and pull it all the way back does it lock properly?
What JP BCG did you buy? Low mass? It is designed to work with their barrel, gas block, buffer system.
And the aero buffer kit you bought is the 308 60$ one correct?
I have the same problem with my POF .308. Called the factory and they said the gun needs to be tuned to the suppressor. Maybe you need to find a good gunsmith to look at it
I would suggest a lighter buffer. I had this issue with my .308 build. Odin Works makes an adjustable weight buffer, and I ended up running it with no weights in the buffer, or empty. It comes with 2 steel and 1 tungsten removable weights that fit inside the buffer and solved my problem of being under gased. Cycling of bolt and spent brass ejection along with bolt hold open after the last round was all achieved with the lighter buffer. I did contact Critterion, as it appeared the gas port in my barrel was small in diameter for .308. The second choice was return the barrel to have the gas port over bored. Good luck !
The Seekins SP10 Builder's Kit is in my opinion the best foundation available for a precision big block gas gun. SOCOM apparently feels the same way, as the SP10 Builder's Kit is precisely what the SOCOM MRGG (aka "Mid-Range Gas Gun") is built around. The two big reasons are the barrel is supported in a most rigid fashion by the SP10 upper receiver, in a high quality package with a very reasonable overall weight. This basic rifle weighs in at 9.75 pounds. This SP10 Builder's Kit is finished in Cerakote, a shade known as Accuracy Int'l Dark Earth. This rifle utilizes a Proof Research 20" stainless 6.5 CM barrel with +2" gas system, finished in Black Cerakote, a consistent performer for me in the past in well over a dozen such custom builds. The SLR adjustable gas block ensures the optimum amount of gas is metered to the system. The OSS/HUXWRX 7.62 brake is all by itself a great stand-alone muzzle brake. The bolt carrier group is the JP Full Mass Operating System with Enhanced Bolt. A Geissele 7.62 Super Charging Handle is also at home in this upper receiver. The Seekins SP10 lower receiver sports just about the best ambi bolt release and mag release that you will find on any AR' format weapon. The trigger utilized in the precision package is the Trigger Tech Diamond, set at 2 pounds, riding on V Seven titanium fire control pins. The safety is a short throw ambi model by Dark Hour Defense. For the recoil system, I have used the Heavy Buffers .308 recoil spring along with an H3 buffer, a simple yet very effective package. The BCM MK II lower receiver extension is secured by the Fortis K1 receiver end plate and castle nut. The buttstock is the Magpul SL-S . The Ergo Tactical Deluxe has been selected as the pistol grip. The magazine is a 20-RD Magpul.
Here's my M&P10. Names Beatrice after my grandmother who raised and protected me all my life. She was a gift from my lovely wife.
Magpul PRS stock
Magpul MIAD grip
Radian Raptor CH
Geissele SSA-E trigger
Midwest Industries rail and gas block
Vortex Viper gen2 5-25x50 MRAD on a Vortex mount
Vortex Sparc Solar red dot on a Vortex offset mount.
Magpul MS1 sling
Surefire 640 light and pressure switch
Atlas BT10 bipod
Complete with an absolute shit rattle can job
Magpul PRS stock
Magpul MIAD grip
Radian Raptor CH
Geissele SSA-E trigger
Midwest Industries rail and gas block
Vortex Viper gen2 5-25x50 MRAD on a Vortex mount
Vortex Sparc Solar red dot on a Vortex offset mount.
Magpul MS1 sling
Surefire 640 light and pressure switch
Atlas BT10 bipod
Complete with an absolute shit rattle can job
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Haven’t shot it yet. I’ll let you know what I think after I put some rounds through it.
Took the LMT out a couple weeks ago. Decided to really put some effort into groups at 200 yds. Numbers are the order of groups shot with 20 rounds, same box of PMC X-TAC 168 OTM, loaded 5 shots at a time, and all shot suppressed. Two shots on both of the top groups were nearly through the same hole. Pretty impressed..... it's safe to say the gun is far more capable than I am. I think after shooting the top 2 groups, the 4th group opened up from my inner excitement.
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Just plain good shooting ammo. You can't beat it compared to the price of other 168s
Barrel length dependant, at least it is on 5.56 guns. Had one on a 14.8" and it was brutal. Put it on a 17" and it was reasonable, but still not concussion free.
