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AR PERFORMANCE

    All Wildcat cartridges are now on this page.

    General info first- Open 9-5 EST if you need to call. "tech@ar15performance.com" is the best email.  A limited amount of product is added to the site daily to keep wait times down. Still with the amount of orders we receive in a single night it keeps us busy and usually run 3-7 business days to ship depending on the parts ordered.  FEDEX will send an automated email with tracking info when the label is printed.

    SHIPPING
    Shipping Restrictions

    • ARP will not ship ANY items to the District of Columbia (Washington D.C.).
       
    • will not ship ANY items to the state of California, Massachusetts or Connecticut.
       
    • will not ship ANY AR Parts to Chicago, Illinois, Cook County, Illinois, or Deerfield, Illinois.


    Due to numerous shipping, fraud and theft problems over the last 9 years. We have a very strict ordering and shipping policy. We can ship by FEDEX or USPS to residence, business or post offices but the shipping address must match the billing address associated with the credit card used to place the order. We will no longer ship to apartments complexes. We are not taking any new customers in California.    You 68forums guys know what to do.
    All parts will require a signature upon delivery, Fed Ex or USPS for PO boxes

    Caliber choice opinion- If your primary use will be long range targets the 224 Valkyrie, TAC 6, 224 and
    6mm Predator and 6.5 Grendel makes sense. There are more match type bullets available in 224, 6mm and 6.5mm than the 6.8.  The 6mm Predator, 240 Valkyrie and TAC 6 will beat all others in exterior ballistic performance. The 6mms in my opinion are also the most versatile as light as 55gr for varmints to 80-90gr for hunting and 95-108gr VLDs for long range paper punching. 
      If you are looking for a deer or hog round the 27ARP, TAC 30(30 Herrett), 6.8, 6.5 Grendel, SIX5 and 7.62x39 will be better choices for hunting.


    BOLTS ARE NOT INCLUDED with a barrel. They are an option either below the barrel description or on the 'bolt/carrier"page. No other parts are included with a barrel unless added as an option.
    Warning- We do not sell Nitride bolts and will warn all against using Nitride bolts. The Nitride treatment anneals carburized bolts. At some point in time the lugs will compres and headspce will increase to an unsafe level.

    Headspace- When bolts and barrels are purchased together we will check the headspace.

    Barrels are ported to work with standard carbine springs and buffers when used with Normal ammo producing 50000psi. Using weak ammo or reloads, heavier buffers or stronger spring may cause the rifle to short stroke or not strip ammo from the mag. We can port the barrels larger if you plan to run different parts or lower pressure ammo. Add a note in the additional comment box during checkout.

    The gas block boss on the barrels are sized to work with .750 diameter gas blocks, that does NOT mean the boss itself is exactly .750.

    Any of the 6.8 wildcats may use the 22 Nosler brass. Just use a 5.56/223 bolt and trim the brass to the trim length called out in the specs.

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    Silicone Magazine ID bands - pack of 4 -free shipping.

    Choose caliber below.

    TAC 30/ 30 Herrett-tan with black letters

    30 Herrett--tan with black letters

    5.56x42(NOT 5.56x45 or 223)--black with green letters

    TAC 6---black w/red letters

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    If your primary use is shooting targets with some hunting the Grendel is a good choice. There are more 6.5 target type bullets than usable hunting bullets. Hornady 123gr factory ammo is easily 1 MOA.

    Criterion  profile barrels are ported to run factory ammo with a standard CAR buffer and spring. These barrels have a hi performance 5R rifling instead of the old school 4 or 6 groove enfield rifling. They usually produce 60-90fps more than 4 or 6 groove barrels with the same ammo.  Melonite treated barrels(60C) are twice as hard as stainless (32C)and should last twice as long.

    These barrels need to be used with a .136" deep recess Grendel bolt.  Warning -DO NOT purchase a black Nitride, Nitride or Melonite treated bolt.  Nitride treatment of a bolt after it has been case hardened makes the bolt softer. The lugs will compress and headpace will increase.


    No coupons or discounts with this item.  Shipping flat rate $20.    Barrel is Black

    • Chamber: 6.5 Grendel (SAAMI)
    • Bolt: uses .135 -.136 recess Any SAAMI Grendel bolt
    • Profile:  Criterion Tapers-.850- .750/.750GB/.718
    • Fluted: No
    • Barrel Length: 18"
    • Twist Rate: 1:8- Hybrid 5R rifling
    • Gas System: mid  Length
    • Diameter at Gas Port: .750"
    • Muzle Thread Pitch: 5/8x24
    • Material: 4150 CMV
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4
    • Assembly: Stripped
    • Weight: 2lb -3oz
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    TAC 6 (240 Valkyrie improved)

    I designed this for guys who like using the 6.8 brass, this version allows using 105s at mag length unlike the 6-6.8, 6pdk and 6mm Hagar.  It may not be quite as fast (25-50fps)as the 6mm Predator but should be more reliable with stronger bolts and brass and it should feed better than the Grendel cases.  This was my idea of a perfect tactical cartridge 0-600yds with ease.  It is capable of shooting super light bullets at small varmints, 75gr bullets at yotes, 95-108gr long range target bullets and 80-90gr hunting bullets at deer and hogs.  The Tac 6 with 105gr Bergers will hit around 2800fps out of an 22"barrel. The TAC 6 will beat the ballistics of the 224 Valkyrie or 6.5 Grendel.  Hornady custom dies are available as an option below this description and needed to form the brass.   

    • Chamber: TAC 6 -based on the 6.8 case. Requires trimming the brass to 1.570. You do not need to fire form.
    • Bolt: use standard 6.8 bolt
    • Profile:  SPR-.850/.750/.718
    • Fluted: NO
    • Barrel Length: 22"
    • Twist Rate: 1:8- Hybrid 3R rifling(similar to 5R but 3 lands and grooves for higher performance)
    • Gas System: Rifle
    • Diameter at Gas Port: .750" Note - Boss is short for use with 1" long gas blocks.
    • Muzle Thread Pitch: 5/8x24
    • Material: 4150 Chrome Moly Vanadium Steel
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4
    • Assembly: Stripped
    • Weight: 3lb 
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    6.8 based wildcat- 16" barrel

    If you are looking for the most reliable and best all out terminal performance on hogs and deer out to 300yds the TAC 30 is it.   The rounds hit like Thor's hammer...DRT, a perfect match for Texas hog hunters. I've heard some 300 Ham-r cheerleaders say it is as fast as the TAC 30. It has 5gr less capacity, it isn't as fast. 

    The Cavity Back bullets 125gr MKZ open to .800" diameter, imagine the wound channel! They are pushing the 125gr MKZ to 2700 out of an 18" barrel with 29.4gr of SW blackout. That is 150fps faster than a 20" Grendel and 450fps faster than a 300 Blackout.  The Herrett using SW BO powder is as fast out of an 18" barrel as the 30 Remington AR  was out of a 24" barrel. The TAC 30  is big brother to the TAC 6 cartridge. It is a wildcat that you must reload, form and trim cases but you do not need to fire-form and you don't need to modify mags like the BO or Ham-R.

    4150 CMV 30 Herrett mid wt profile, Hybrid 5R rifling 11.25 twist . 2lb-2oz
    M4 feed ramps, mid length gas system, .850 taper to.750 under the guard, .750 gas block dia. .700 dia from gas block to muzzle.  5/8-24 thread muzzle.

    30 Herrett  reloading dies are used with a 6.8 shell holder. 6.8 SPC brass is easiest to use, S&B, Hornady, Starline in that order. Trim to 1.570,  1.580" is  max case length. It is important to size the brass close to the chamber size. Set the dies up where they push the shoulder back just enough to chamber the brass. Hornady 30 Herrett dies seem to work best but again be careful not to push the shoulder back too far. The 30 Herrett was a wildcat many years ago and the older dies vary in size. You do not need to fireform or turn the necks on the brass. Just trim, size, load and shoot.
      The 30 Herrett in an AR can be loaded to higher pressures than the old TC pistols. With 125-130gr bullets Shooters World BO, 1680, 4198 and RE7 work well. S&B, Hornady, Starline, Federal brass in that order works best. I would not use Remington large primer brass. SSA brass made by Nosler was soft, may change or may be better now still better than Remington.

    Suggested maximum loads-16"barrel
    125gr Sierra prohunter loaded to 2.240-30.5gr 1680=2610fps CCI 450 primer
    125gr Nosler Ballistic tip loaded to 2.3"-30.5gr 1680=2680fps CCI 450primer

    130gr MK319  30gr AA1680 =2590fps -very accurate and a great hunting bullet
    110gr Barnes TSX loaded to 2.295, 31gr 1680=2678fps
    110gr Barnes TSX loaded to 2.295, 32gr 1680=2796fps

    All loads produced groups in the 3/4-1" range and should be good for hunting, 100-200fps faster than the 6.8.

    The Hornady 125SST was not as accurate as the bullets above.

    28.5gr 1680 behind a 125 TNT hit 2500fps out of a 16" barrel.
    29.5gr 1680 apx 2570fps with 125gr Speer TNT or Hornady SST loaded to 2.3" is a good load.
    30gr 1680=2594fps-54900psi
    30.5gr 1680 =2655- 57000psi-Should be considered max load , do not load hotter than this.

    150gr Nosler BT-27.5gr 1680=2366fps

    This is a complete barrel only, it does NOT include any other parts unless added below as an option.

    Bullfrog Rusthunter products are known to cause discoloration of Melonite surfaces.

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    Part of our Predator line of barrels, this cartridge is based on the PPC or Grendel brass, we recommend Norma Grendel brass. This is the same as the  "6mmAR" or "243LBC". Exact same chamber and freebore as the 243LBC. The 243LBC freebore was located at a good length, I left it .  Whatever it is called it is capable of pushing 95gr bullets with a BC of .456 to 2800fps out of a 20" barrel and 105s to apx 2775fps making it one of if not the flattest shooting long range cartridges to fit in an AR15. Exterior ballistics beat the Grendel. It may also be the most versatile cartridge we have ever produced. It is capable of shooting super light bullets at small varmints, 75gr bullets at yotes, 95-108gr long range target bullets and 80-90gr hunting bullets at deer and hogs.   Hornady custom dies are available as an option below.  Grendel bushing dies with a .268 bushing  and a 6mm expander ball may also be used to load.  Norma & Hornady brass tends to work better. Try 27.5-28gr  8208 with a a 95smk set to 2.29 OAL. Customer photo of group shown. These 22" 3R barrels are as fast as many of the old 6 groove style 24" barrels. 

    This barrel and bolt combo is being produced specifically to fix all off the issues with the Grendel sized cases. I have done everything I can possibly do to make this combo of cartridge, barrel and bolt as strong as possible. They are the strongest bolts made for .442" diameter cartridges. Regardless of what you read on the internet bolts with a .136 recess are NOT stronger than bolts with a .124" recess and the extractors are the same.  The .124 recess bolts also position the brass .012" further in the chamber which keeps the thin case wall away from the unsupported chamfer area at the breech so you can run higher pressures without getting as much of a Grendel belted magnum look and possibly rupturing cases. The bolts will handle 58000 psi if the brass will, those two things will get you an extra 100fps over typical Grendel bolts and cases running 52,000psi. In addition these sets are held to very tight tolerances. Headspace is set to minimum to help prevent case stretch improving case life further.  If you play with the chambering/carrier by hand you will likely hear and feel the lugs clicking when new. They will smooth out as used but the design is intended to make the barrel and bolt as strong as possible. This combination of parts and specs is how the Grendel should have been made from day 1.

    • Chamber: 6mm Predator
    • Bolt: Titan .124 recess- Black Oxide coated
    • Profile:  SPR-.850/.750/.718
    • Fluted: No
    • Barrel Length: 22"
    • Twist Rate: 1:8- Hybrid 3R rifling
    • Gas System: RIFLE 
    • Diameter at Gas Port: .750"
    • Muzle Thread Pitch: 5/8x24
    • Material: 4150 Chrome Moly Vanadium Steel
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4-Black Oxide coated
    • Assembly: Stripped
    • Weight: 2lb 12oz
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    The 224 Predator is a wildcat based on the PPC or Grendel brass, we recommend Norma Grendel brass. It is the same as a 224 LBC or 224 Grendel. The 224 Predator has a short freebore setup for the long VLDs. The freebore is only .080 so be sure to check where they touch the lands before loading ammo. Many of the 75 and 80gr bullets need to be set around 2.22" OAL. The 62gr Fusions hit at 2.085. 30gr CFE works very well with 75 and 80gr bullets.
    Many people think you should be able to load every bullet out to full mag length at 2.26" but you can't. If you loaded a 55gr Nosler to 2.26" it would fall out of the case. The 80 Berger and 75ELDs are long and if you load them to 2.26 the top of the boat tail/bottom of the full diameter is not down to the shoulder-neck junction in the case.
    Regardless of what you think when the 80 Berger is loaded to 2.22" OAL the bullet is not protruding into the powder capacity. Only the boattail is below the shoulder junction.
    Bottom line, check to see where the bullets hit the lands and back off .010"

    This barrel and bolt combo is being produced specifically to fix all off the issues with the Grendel sized cases. I have done everything I can possibly do to make this combo of cartridge, barrel and bolt as strong as possible. They are the strongest bolts made for .442" diameter cartridges. Regardless of what you read on the internet bolts with a .136 recess are NOT stronger than bolts with a .124" recess and the extractors are the same.  The .124 recess bolts also position the brass .012" further in the chamber which keeps the thin case wall away from the unsupported chamfer area at the breech so you can run higher pressures without getting as much of a Grendel belted magnum look and possibly rupturing cases. The bolts will handle 58000 psi if the brass will, those two things will get you an extra 100fps over typical Grendel bolts and cases running 52,000psi. In addition these sets are held to very tight tolerances. Headspace is set to minimum to help prevent case stretch improving case life further.  If you play with the chambering/carrier by hand you will likely hear and feel the lugs clicking when new. They will smooth out as used but the design is intended to make the barrel and bolt as strong as possible.

    • Chamber: .224 Predator
    • Bolt: Titan .124 recess- Black oxide coated
    • Profile:  SPR-.850/.750/.718
    • Fluted: No
    • Barrel Length: 22"
    • Twist Rate: 1:6.5- Hybrid 3R rifling
    • Gas System: RIFLE +2"  Length- Extended length
    • Diameter at Gas Port: .750"
    • Muzle Thread Pitch: 5/8x24
    • Material: 4150 Chrome Moly Vanadium Steel
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4-Black Oxide coated
    • Assembly: Stripped
    • Weight: 2lb 12oz
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    More coming mid May.-

    The 270MSR is a AR15 wildcat that was designed for the great selection of 130gr 270 bullets. It will push 130gr bullets to 2700-2750fps, apx 200fps faster than the 6.8 and 300 fps faster than the Grendel.   It is close to a full power hunting cartridge, like the 260 or 308. The 270MSR will add range to the 6.8s ability. It will be effective on mule deer, antelope. elk, and other med sized game usually shot at longer ranges than white tails and hogs.
      Barrels ported to run with a standard CAR buffer and spring. Includes the new 750XD bolt(.742" nominal dia) and  matching extension.  Custom Hornady dies and Norma 6mm Dasher brass are an option below.

    Sorry but shipping will be slow on these, the bolt parts needed to finish the 750XD are 7 days out.

    • Chamber: 270MSR -.277cal  wildcat based on the Dasher case.
    • Profile:  -.850/.750/.700
    • Fluted: Yes-8 straight
    • Barrel Length: 20"
    • Twist Rate: 1:10- Hybrid 3R rifling
    • Gas System: RIFLE Length
    • Diameter at Gas Port: .750"
    • Muzle Thread Pitch: 5/8x24
    • Material: 4150 Chrome Moly Vanadium Steel
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4-750XD bolt
    • Assembly: Stripped
    • Weight: 2lb 5oz

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    This is a one time special offer-

    Wildcat based on a shortened 5.56/223 case. The brass must be cut down and resized and loaded but there is factory ammo available.     https://www.jbsfirearms.com/category-s/1831.htm   Uses a mil spec 5.56 bolt and mags so the only thing needed to convert the 5.56 is the barrel and ammo.  The 1:11.25 twist rate will accurately shoot any bullet from 80-120gr and most 130s.

    If it isn't stamped "ARP" it is not an AR Performance barrel.
    This is a complete barrel only, it does NOT include any other parts unless added below as an option.

    • Chamber: 277 Wolverine/6.8x39
    • Profile: SCOUT lightweight-  2017  Barrel tapers .746-.696 under the guard/.750 GB /.700 GB forward
    • Fluted: No
    • Barrel Length: 16"
    • Twist Rate: 1:11.25- Hybrid 5R rifling
    • Gas System: mid Length
    • Diameter at Gas Port: .750"
    • Muzzle Thread Pitch: 5/8x24
    • Material: 4150 Chrome Moly Vanadium Steel
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4
    • Assembly: Stripped
    • Weight: 1lb 13.6oz

    Bullfrog Rusthunter products are known to cause discoloration of Melonite surfaces.

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    Fits AR10 and LR308 platforms- includes all companies that copied the DPMS LR series, Aero precision, POF, Spikes, bobs, joes and Franks.

    5R rifling, 1:11.25" twist

    Both 18 and 20" barrels will have a rifle gas system. The barrels are  mid weight so they don't heat up and string shots like some lightweight barrels being produced.

    .800" dia under the guard, .750 gas block, .720 dia in front, 5/8-24 threads. The gas block boss on the barrels are sized to work with .750 diameter gas blocks, that does NOT mean the boss itself is exactly .750.

    18" barrel 2lb-8.8oz, 40.8 oz

    4150 CMV, Melonite treated, barrels have straight flutes

    Test barrels proved very accurate with MK319 ammo.

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    Fits 10-110  Savage rifles-

    The 270-08 when handloaded with modern powders can match the performance of factory  270 Win ammo in a short action rifle. Bullets in the 130gr range run around 2900fps, 150s apx 2700.

    7mm08 dies with a .277 expander ball is all that is needed to size and reload the 270-08.

    3R rifling, 1:10" twist- Standard Savage profile .585" at the muzzle

    22" barrel 2lb-7oz

    4150 CMV, Melonite treated

     

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      (ARP) AR15 Performance LLC

      Key West, FL 33040

      Hi performance 5.56 & 6.8 SPC barrels and parts since 2007

      The best way to contact is by email
      Email:  tech@AR15performance.com

      Phone: 801-750-4216  8am-5pm eastern time  M- Fri only
      Sorry we do not export anything and do not have a storefront. Everything must be purchased online.

      6.8 SPC II, 5.56, 223 wylde, 6.5 Grendel, 224 Valkyrie, 270-08, 30 Herrett, TAC 6, 224 Predator, 6mm Predator, 277 WLV,  224 Grendel, 6mm Grendel, 6.5 Creedmoor, 5.56 x 42,