Read "Extended Information" tab (below) before adding to your shopping cart.
for estimated production lead time.
First, Select Chamber
Then, Select Model
Then, Select Barrel Length
Then, Select Brake
The spartan was engineered to meet the needs of shooters looking for a budget-friendly upper. Applying a "keep it simple" approach to design and engineering, the Spartan receiver is built from four sub-components that are solidly welded and fastened forming a strong and secure foundation for an affordable and accurate upper.
Sized to fit all AR-15/M4 style lowers.
Available in .50 BMG, .416 Barrett and .338 Lapua. in your choice of Ultralite (Mossberg, Made in Mexico) or Duty (Criterion, Made in Wisconsin) barrels.
for estimated production times.
Mossberg chromoly barrel
Muzzle Thread: 1-14
Receiver Tube: 4130 steel tube
Barrel Extension: 4140 steel bar, hardened to +/- 42 R.C.
Bolt Head: 4340 steel bar, hardened to +/- 42 R.C.
Bolt Handle: ETD 150 steel bar
Brake: C12L14 steel
Lugs: 1018 steel, hardened to +/- 42 R.C.
Hammer: 1018 steel, hardened to +/- 42 R.C.
Rails: 7075 aluminum
Steel finish: Parkerize
Aluminum finish: Anodize
Orders that include an upper in the shopping cart will be charged only the $500 non-refundable deposit at the time of order. The balance of the amount due on the upper plus all accessories included in the cart at the time of order will be charged at the time of shipment.
Customers paying by check will receive a 2% discount on their order. This discount will not appear on your shopping cart and will be manually configured on your final invoice. Checks may be submitted by mail, email or fax. Orders paid by check will ship following the final clearance of the check, which is approximately ten business days following receipt.
Any accessories purchased in the same cart as an upper, will be shipped with the upper when the upper is completed and ready to ship. Customers wishing to receive their accessories immediately are advised to place separate orders.
Welded receiver, barrel extension and lugs
Screwed on scope rail allows rail to be interchanged or removed
Massive two-lug bolt head
Savage-style sliding extractor
Parkerize and anodize finish
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