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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 5-7 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
       
    • 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  TAC 6, 224 and
    6mm Predator will perform best.   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 270MSR, TAC 30(30 Herrett), 6.8 will be better choices for hunting.  The 270MSR is near a full power cartridge, mule deer or elk. The Tac 30 and 6.8 are perfect for whitetails and hogs out to 350yds.


    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/Melonite treated bolts and will warn all against using Nitride treated bolts. The Nitride treatment anneals carburized bolts. At some point in time the lugs will compress 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 54000psi. 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.

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    Fits AR10 and LR308 platforms- includes all companies that copied the DPMS LR series, Aero Precision, POF, Spikes, PSA.

    They use a rifle length gas tube NOT the Armalite rifle length gas tube.

    5R rifling, 1:11.25" twist

    18  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.

    No Coupons or discounts

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    Sorry not available until Nov.

    Fits 10-110  Savage rifles-image not correct at this time

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

    22" barrel 2lb-7oz

    4150 CMV, Melonite treated

    Marked down for clearance--NO DISCOUNTS

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    Available Aug 10th

    In the photo 223, 6.8, 270 MSR

    The 270MSR is a AR15 wildcat that was designed for the great selection of 130gr 270 hunting bullets. It will push 130gr bullets to 2700-2750fps out of a 20" barrel, 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 but fits in an AR15. 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.  68forums will be the place to go for performance info from guys that have been shooting the 270AR(predecessor to the 270MSR)for the last 5-6 years.

    Norma Dasher brass should handle 60000psi and last longer than Lapua. Case capacity is around 42gr.
      Barrels ported to run with a standard CAR buffer and spring. Includes the new 750XD bolt(.742" nominal dia) and  matching extension.  You can use any standard AR15 receiver and carrier.

    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.

    Also no coupons on this, they stuck me pretty hard on the fluting.

    • Chamber: 270MSR -.277cal  wildcat based on the Norma 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
    • Weight: 2lb 5oz

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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  and X40 cheerleaders say it is as fast as the TAC 30. It has 5gr less capacity, it isn't as fast. The TAC 30 is 200-250fps faster than the ham-r or any 5.56 based 30 cal. The 6.8 cases will handle 58000psi easy.

    The Cavity Back bullets 125gr MKZ open to .800" diameter, imagine the wound channel! They are pushing the 125gr MKZ to 2775 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
    110gr Nosler Varmageddon-33gr SW Blackout=2917fps

    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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      -similar barrels selling for $499

    Fits ONLY  new DPMS GII platform-   -----Does not fit AR10, DPMS LR, Aero Precision, PSA, Larue, POF,

    22" - 416R stainless, helical flutes

    Profile tapers .900-.800" dia under the guard, standard rifle length gas system    .750 gas block, .720 dia in front. Makes an 8lb bare rifle

    3R rifling, 1:8" twist 11 degree crown, 5/8-24 thread

     The barrels are  mid weight, they don't heat up and string shots like some lightweight barrels being produced.

    2lb 9oz

     

    $20 flat rate shipping

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     Check back Aug 1st

    Uses 7.62x39 bolt

    One of the best and flattest shooting low recoil cartridges available in the AR15 platform. 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. It should push 80s, 88s and 90s apx 100fps faster than the 224 Valkyrie. The 80gr ELD at 3000fps will have less drop and drift than the 88s, 90s and 95s past 1000yds, give them a try. If you want to shoot long range with an AR this or the 6mm Predator will beat just about anything out there including the Valkyrie.

      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"

    • Chamber: .224 Predator
    • Bolt: USE .124 recess- 7.62x39 bolts
    • 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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    This is the toughest, longest lasting Grendel brass made.  

    bulk packed 50

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    This is the toughest, longest lasting Dasher brass made.  It is used to make the wildcat 270 MSR  cases. 

    bulk packed 50

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    This flash hider is small diameter (.740) apx the same as a barrel diameter and very lightweight.  A very effective closed end flash hider that will not snag on branches etc.  Filmed from 2 ft in the dark side by side with the AAC Blackout and Smith Vortex, they reduced flash to a minimum glow where some devices and target crowned barrels produced a 10" ball of flame. None of the 4 flash hiders increased the noise to the shooter.
    This flash does not need to be clocked and does not need a crush washer. If you want to clock the device you will need a crush washer.

    For use with our 223 wylde barrels with 1/2-28 thread.

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    This flash hider is small diameter (.740) apx the same as a barrel diameter and very lightweight.  A very effective closed end flash hider that will not snag on branches etc.  Filmed from 2 ft in the dark side by side with the AAC Blackout and Smith Vortex, they reduced flash to a minimum glow where some devices and target crowned barrels produced a 10" ball of flame. None of the 4 flash hiders increased the noise to the shooter.
    This flash does not need to be clocked and does not need a crush washer. If you want to clock the device you will need a crush washer.

    For use with our 224 Valkyrie and 223 wylde barrels with 5/8-24 thread.

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    A very effective closed end flash hider that will not snag on branches etc.  Filmed from 2 ft in the dark side by side with the AAC Blackout and Smith Vortex, all of the 3 flash hiders reduced flash to a minimum glow where some devices and target crowned barrels produced a 10" ball of flame. None of the 3 flash hiders increased the noise to the shooter.
    This flash does not need to be clocked and does not need a crush washer. If you want to clock the device you will need a crush washer.

    For use with 6.8-30 calibers and smaller -barrels with 5/8-24 thread

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    Think of this as the 224 Valkyrie improved - Wildcat based on the 6.8 brass trimmed to 42mm, apx 250fps faster than a 5.56 and 150 fps faster than the Valkyrie.  75-80gr bullets run 3000-3100 out of a 20" barrel. The 5.56x42 was designed around 2007 or 2008 long before the 22 Nosler or 224 Valkyrie. It was designed to shoot the 75-80gr Amax and Berger at mag length but also shoots varmint bullets as light as 40gr. 55gr bullets run around 34-3450fps. This barrel will shoot the new 85 Bergers at 2.336 using windowed mags.

    6.8 small base bushing dies can be used to form and load the 5.56x42 or Whidden Gunworks in Ga can make a custom set for you. 224 Valkyrie dies can be used for the initial neck down in one step if the die is held up off the shell holder and adjusted so the neck is sized down without touching the shoulder.

    NOTICE- This barrel has 5/8-24 muzzle threads to reduce bore swelling at the muzzle common with barrels threaded 1/2-28. Most barrels with 1/2" muzzle threads will allow bullets to wobble when exiting the muzzle which degrades accuracy.

    Jason Peterson shot a 4.5" group at 1000 yards using 28gr N540 with the 80gr Amax.

    Barrel extension must be installed after the flutes are cut. The flutes will NOT be clocked straight up.

    • Chamber: 5.56x42(6.8 based wildcat)
    • Profile: SPR midweight-.850/.750/.718
    • Fluted: 8 straight flutes
    • Barrel Length: 20"
    • Twist Rate: 1:7.7- Hybrid 3R rifling
    • Gas System: rifle Length
    • Diameter at Gas Port: .750"
    • Muzzle Thread Pitch: 5/8-24
    • Material: 4150 Chrome Moly Vanadium Steel
    • Finish: Melonite
    • Process: Button Rifled
    • Barrel Lining: Melonite
    • Barrel Extension: M4
    • Assembly: Stripped
    • Weight: 2lb 12oz
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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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    Custom reloading dies(bushing not included) with micro adjust seater made by Whidden Gunworks. These can be used to form 6BRX or 6.5BRX. Whidden sells these dies for $279.

    Flat rate  shipping $8.00.

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    A very effective closed end flash hider that will not snag on branches etc.  Filmed from 2 ft in the dark side by side with the AAC Blackout and Smith Vortex, along with our "Forked", all of the 4 flash hiders reduced flash to a minimum glow where some devices and target crowned barrels produced a 10" ball of flame. None of the 4 flash hiders increased the noise to the shooter.
    This flash does not need to be clocked and does not need a crush washer. If you want to clock the device you will need a crush washer.

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    The Shorty Brake is very popular but many have asked that we make a flash as short as the brake to reduce noise to the shooter.  We removed the front partition of the Shorty brake. This is about as light and short as we can make a device without it being nothing more than a thread protector.

    The threads are 5/8-24 and they will work with up to 45 caliber barrels.

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    Complete BCG made by Aero Precision- Their # APRH308184

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    Same as 6mmAR, 243LBC- 2 die set

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    Marked down below cost- no coupons or discounts

    If you want a 6.5mm to hunt with but are concerned about bolt life and feeding the SIX5 is an option.
      This is a 6.5mm wildcat based on the 6.8 SPC case that uses stronger bolts and feeds better from the 6.8 mags. These barrels can be very accurate(1/2MOA) with 100gr TTSX, 120gr TSX, 100 Amax, 120 Nosler, 100 Nosler Partition, 95 Vmax.  The 100gr bullets at 2800fps are a sweet spot for a case the size of the Grendel or 6.8. They will out perform any of the 123gr bullets out of the  Grendels 2500fps all the way to 800yds.  These 16" barrels are perfect for those that love the Barnes 100gr TTSX bullets and want a shorter barrel to hunt with.

    4150 CMV 11595E barrel steel. Barrels have a Hybrid 5R rifling with 1 in  8.5 twist .
      Barrels have M4 feed ramps, mid length gas system, .800 under the guard, .750 gas block dia. .718 dia from gas block to muzzle.  5/8-24 thread muzzle. Barrels have helical flutes ($120 option in many places)

     By trimming the 6.8 case back to 1.610-1.615  the Hornady 123 Amax and SST, Barnes 100 and 120 TTSX, 120 TSX. Nosler 100 and 120 NBT can be loaded to the cannelure in a 41mm long 6.8 case to 2.31"and fit in unmodified Magpul SIX8 pmags or PRI 6.8 mags. Please read the load data below carefully before purchasing , it takes loading long(OAL), max mag length to get the best accuracy. Never use a neck sizing dies to size brass for an AR15. If you do not understand what it takes to get accuracy from this round please call before purchasing. Mags that allow loading longer than 2.3"  are available from Cavity Back Bullets.

    6.8 FL bushing dies with a .284-.288 bushing and trimming the case to 1.610" is needed to reload. The chamber has a .297 neck 1.5 degree throat angle for better accuracy and to prevent splitting the case necks from over working the brass. Do NOT have to fire-form just size trim and load.

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

    .
    Bullfrog Rusthunter is known to cause discoloration of Melonite surfaces.
    NOTE: When forming the brass the first time it must be done correctly to get good accuracy. When setting the shoulder location it is best to set the dies .002-.004" under the chamber size.

     


    All loads below should be considered max. Start 1-2gr lower and workup while looking for accuracy.
    Pressures shown are from actual pressure tests not calculated from quickload.

    The 123 SST and Amax must be loaded to 2.31+ to get the best accuracy. The 120 Nosler 2.3"seems to work well.

    Try these loads-they have been tested for accuracy using Hornady brass, Wolf magnum primers and all shoot under 1 MOA some under 1/2 MOA out of the 16" barrels.
    100gr Barnes TTSX -OAL 2.3-2.31" 28.5gr 10x ---max load, do not use more than 28.5 10x--.4 MOA --most accurate load tested.
    100gr Hornady Amax -OAL 2.295-2.31 28gr 10x ---max load
    120gr Barnes TSX--OAL 2.32-30gr AA2520---max load
    120 Nosler BT-OAL 2.3-2.31"-30gr AA2520---max load
    123gr Amax OAL 2.31-2.32-30gr AA2520---max load
    Drop 1/2-1 gr if using CCI magnum primers or Federal brass. All of those loads above are compressed but shoot very well.
     

    123 Amax 2.310" OAL SSA brass, CCI450 primer
    8208-28.5gr=2401fps>56400psi
    2520-30gr=2456fps>57800psi
    2200-26gr=2410fps>58200psi
    N530-27.5gr=2475fps>57500psi
    CFE-32gr=2493fps>54500psi---max fill
    Xterm-29.5gr 2508fps>59422psi


    100gr Amax-best at 2.295 OAL drop at least 1 gr from max
    N530-29.5gr=2788fps>59700psi---29 max>27gr apx 1"
    8208-29.8gr=2684fps>56669psi--max fill> 28gr apx 1"
    N200-27.5gr=2738fps>59460psi max
    RE7-26.5gr=2705fps>58200psi
    2200-28gr=2720fps>59730psi max
    10X-28gr=2763fps>57500psi
    H335-31gr=2747fps>56100psi
    CFE-33gr=2697fps>52000psi--max fill
    X-term 31.5gr 2775>56388psi>28gr apx 1"

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    Price includes the barrel nut where AERO price online does not. This rail is below cost no coupons allowed.

    Rail is full diameter, apx 2" and will clear all adjustable gas blocks.

    Very lightweight but sturdy key mod rail.

    Shipping is flat rate CONUS $15.00

     

      CURRENT SHIPPING TIMES 6-9 BUSINESS DAYS

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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, 30 Herrett, TAC 6,