300 Allen Xpress Raptor throwing bullets, pics....

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by Fiftydriver, Dec 5, 2007.

  1. Fiftydriver

    Fiftydriver <strong>Official LRH Sponsor</strong>

    Messages:
    6,848
    Joined:
    Jun 12, 2004
    To all,

    After several late nights working after regular house, thank you to my wife by the way and some work this weekend, the first fully functional Raptor rifle from APS is throwing bullets!!!

    First on the rifle componants:

    APS Raptor receiver
    20 moa rail base
    Jewell trigger set at 1 lb
    HS Precision DM system
    Lilja 1-8, 6 groove 30 cal, 30" finish length #8 contour, heavy flutes
    Defensive Edge muzzle brake
    McMillan A-5 stock, adj CP, Decelerator pad 85% black, 15% grey
    Stainless Steel pillar bedding
    Burris 1/4" Xtreme Tactical rings
    NF NXS 5.5-22x 50mm NP-R1

    The Raptor is designed specifically for the Lapua class round and wildcats but also is long enough to allow rounds such as the big Wby and Rigby rounds to be used also. Its also right at home with the RUM class of rounds.

    The barrel selection I chose was because I plan on using Richards aluminum tipped bullets in this rifle but for the time being I will be using 240 gr SMKs or 200 gr Accubonds. Here are some pics:

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    Like all first production prototype things, my receiver has some minor issues. All in all, its what I wanted but a few things will and have been modified for better function.

    1. The cases were rubbing hard against the top of the ejection port which was milled straight down from the top of the receiver. I undercut this slightly on the mill to eliminate this case rubbing, worked perfectly. That will be changed in the production receivers to have this back cut.

    2. The rail base will be extended to the end of the recevier to offer more room for long scopes and rail accesaries. It will also be made from Stainless Steel instead of the heat treated aluminum which the rail on this base is made from.

    3. The bolt stop will be redsigned to a more attractive(my opinion0 design.

    4. The rounds were binding a bit while feeding them so I shallowed the feed ramp angle a bit and repolished and not it works perfectly so this will be modified in the production receivers.

    5. The receiver engraving will also be changed a bit to emphasize the Raptor name instead of Allen Precision Shooting.

    These are pretty minor issues which were expected with such a project. The bedding had finally cured enough that I could start testing the rifle, or at least doing the brake in at the shop. It has either been very cold or very windy and today was no exception, very windy so no taget work yet. I just was checking for velocity potential with this barrel and how my receiver handled pressure.

    I decided to start with the 240 gr SMK and US869. I started at 100.0 gr and worked up two grains at a time until I could just notice a slight increase in force needed to lift the bolt.

    Here were the velocity results.

    100.0 gr......................................2907 fps
    102.0 gr......................................2963 fps
    104.0 gr......................................3007 fps
    106.0 gr......................................3062 fps
    108.0 gr......................................3124 fps
    110.0 gr......................................3208 fps Max working load
    111.0 gr......................................3258 fps Snug bolt lift
    112.0 gr......................................3311 fps bolt quite snug to open
    113.0 gr......................................3368 fps heavy bolt life, ejector mark

    Again, these were fired at the shop so no accuracy data yet.

    Some may wonder why I went to 113.0 gr when 110.0 gr is my max working load, simply put, I wanted to see how well the Raptor worked with a higher then normal pressure load. IT handled extremely well.

    I figured 110.0 gr would be a great top end load level. +3200 fps is most impressive. Interestingly enough, this same bullet iver Retumbo topped out at just shy of 3100 fps before pressuring out so it looks like 869 is a pretty good balance of burn rate for this case capacity. At 110 gr, this is roughly a 98 load density

    After shooting each load, I would take the fired cases and line them up from mildest load to hottest. I then sized each case, cleaned and then reseated a primer to let the cases tell me what pressures we were running at.

    I will be brutally honest, at 113.0 gr I will admit that primer pocket tightness was a bit less then all others but in all, everycases primer pocket remained very tight and completely usable and there was no chance in primer tighteness from the 100.0 gr load up to the 112.0 gr load. Trestimate to the stoutness of the Lapua case.

    Again, no groups yet but soon, if the weather allows. Wanted toget this rifle done so I could get the changes on the receiver going ASAP. Stay tuned, there will be much much more to come on this receiver.

    Kirby Allen(50)
     
  2. gamedog

    gamedog Well-Known Member

    Messages:
    591
    Joined:
    Aug 16, 2007
    As always, very nice Kirby:cool:
     

  3. lerch

    lerch <strong>SPONSOR</strong>

    Messages:
    1,497
    Joined:
    Nov 15, 2004
    Lookin good Kirby, sounds like you got a winner. ready to see what she will do when you really get to pushin her!!!
     
  4. Wild_Bill

    Wild_Bill Well-Known Member

    Messages:
    744
    Joined:
    Sep 15, 2005
    Nice Stick

    Hi Kirby you must be proud of your new actions the finished product looks awsome good luck with the changes.

    You might have time to play with the 510AX

    Cheers Bill
    Australia
     
  5. ss7mm

    ss7mm Writers Guild

    Messages:
    3,707
    Joined:
    Jun 11, 2005
    Kirby:

    That's a familiar looking rifle.:) I'd say you've got another winner.;)

    Even though you've got a few minor things to get ironed out, I'd say you had the Raptor pretty well planned out and it shows.

    Sounds like it won't have any problems handling just about anything you chamber it for.

    Keep us posted and get some pics of the new receiver when you get the mods made.
     
  6. jmden

    jmden Well-Known Member

    Messages:
    2,725
    Joined:
    Nov 2, 2003
    Wow. Want to hear more about the Raptor. Keep us posted. Thanks.

    Jon
     
  7. Fiftydriver

    Fiftydriver <strong>Official LRH Sponsor</strong>

    Messages:
    6,848
    Joined:
    Jun 12, 2004
    Talked to my manufacturer tonight. I had sent him all the info on the corrections I want on the receiver. He said he has already made the modifications and that a new receiver with the updates would be on the way ASAP for testing.

    We are getting very close to taking customer orders. As soon as that next prototype gets here and proven and if everything meets my requirements, we are rolling!!!

    Kirby Allen(50)
     
  8. strictlyRUM

    strictlyRUM Well-Known Member

    Messages:
    225
    Joined:
    Jan 9, 2006
    Did I miss a price? I am pretty dense. What material? 416? How far out do you expect lead time to be? What was OD on that beautiful thing? Sory so many questions.

    Jason
     
  9. eddybo

    eddybo Well-Known Member

    Messages:
    1,651
    Joined:
    Jan 5, 2007
    Man that is a sweet looking gun/action. I would yell dibbs for serial number 00001 but I already got one order in with ya.
     
  10. MT4XFore

    MT4XFore Well-Known Member

    Messages:
    708
    Joined:
    Oct 20, 2005
    Nice lookin' shootin' iron, my friend. My will power is getting weaker and my resolve is getting stronger. What have you done!? Oh woe is me!!!!

    Jim
     
  11. Fiftydriver

    Fiftydriver <strong>Official LRH Sponsor</strong>

    Messages:
    6,848
    Joined:
    Jun 12, 2004
    SS7mm,

    There is no secret that many aspects of my Raptor are similiar to the Nesika Bay M receiver, why not, it is in my opinion the nest receiver out there. Just wanted to take that and improve on it by stretching the receiver threads even more, beefing up the bolt head and adding a few other unique features.

    No need to totally reinvent the wheel, just make it better to use is all I am trying to do for us.

    Take care,

    Kirby Allen(50)
     
  12. ss7mm

    ss7mm Writers Guild

    Messages:
    3,707
    Joined:
    Jun 11, 2005
    The reference with respect to "familiar looking" had to do with having seen the pictures before.;)

    When I look at an item, such as an action, I look at every aspect and dimension as a newly created mechanical item. All I see is a well thought out and designed Raptor. Never even crossed my mind that it was anything other than a Raptor. :rolleyes:

    Kinda like looking at different quarter horses. They all have 4 legs and a head, but......some, like the Raptor does, stand out immediately as being totally different and a cut above the rest.:)
     
  13. BigDsDuty

    BigDsDuty Well-Known Member

    Messages:
    76
    Joined:
    Feb 17, 2006
    Hey Kirby how much does that beauty weigh in at?

    Jason
    Houston, Tx
     
  14. davewilson

    davewilson Well-Known Member

    Messages:
    2,634
    Joined:
    Feb 19, 2004
    Kirby, could you give us a comparison with other common/popular receivers and the raptor,as far as basic dimensions/weight, that sort of thing? 700, Savage, Lawton, Nesika, Bat. the price was already asked for, so i won't ask again. LOL