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WSSM AR-15 Upper Receivers 

WSSM Upper Conversion

The basic custom upper conversion features a Shilen match stainless barrel with my ventilated, three-piece hand-guard. It also features my new, clamp-on, low-profile gas-block, and our own slick-side, flat-top upper receiver.   Each upper comes complete with bolt/carrier, charging handle and magazine.  These uppers can be used with any, un-modified, mil-spec lower receiver.  You can switch from .223 Rem. to .25 WSSM in 20 seconds!  I am now using the Magpul anti-tilt followers as a standard feature in all of my WSSM magazines.  By using these followers, I have increased the reliable capacity of the magazine and enhanced the reliability of the upper.

_I am now offering a line of wildcat chamberings based off of the WSSM line!  I have dies, reamers and barrel-blanks in stock for:  .300 WSSM,  and .358 WSSM.  The .358 version qualifies for being Indiana big-game legal!
Picture
Left to Right: .223 Rem. .243 Win. .243 WSSM
ar 15 bolt for .223 and .243 wssm
WSSM and .223 Bolt
big bore wssm cases formed
Big Bore WSSM Cases Formed
.358 and 30 wsm
.358 and .30 WSSM
Picture
Sold Out
$1199.00
Standard Calibers
 (.223, .243 and .25 WSSM)
Options:  
  • Custom fluting, add $119.00
  • Integral compensator, add $119.00
  • Cerakote on barrel add $100.00 (Full Cerakote services available, call for pricing.)
 

 

  *Note* The new stainless steel magazines will increase your maximum COL from 2.260" to about 2.30"

$1249.00
Wildcat Calibers:        
  • 6.5/.243 WSSM
  • .30/.25 WSSM
  • .300 OSSM (Olympic Super Short Magnum 28* shoulder-angle)  *NEW*
  • .358/.25 WSSM  (Indiana deer legal cartridge)
Weight:
  • 22", .25 WSSM, fluted upper, complete:  5.8 lbs
  • 24", .25 WSSM, fluted upper, complete:  5.95 lbs
  • 22", .25 WSSM, un-fluted upper, complete:  6.23 lbs
  • 24", .25 WSSM, un-fluted upper, complete:  6.5 lbs
Note:  The .243 WSSM uppers in the same configuration will weigh .15 to .2 lbs more than the .25

_
Note: Where all of the Winchester factory loaded ammunition for the .223 and .243 WSSM fit perfectly in the modified AR-15 magazine, some of the .25 WSSM factory loads are slightly longer than will fit the magazine.  On the 120 grain power point, I have set the bullet back about .015" and have gotten great accuracy, perfect feed and function without any measurable pressure increase.  If you are going to hand-load for the .25 WSSM, the mag-length is not an issue.


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