Stalvey-5 Grunt-SPR

The Stalvey-5 GRUNT-SPR rifle model is a uniquely compact and a light weight special purpose rifle designed for precision roles and applications employed by Military, Law Enforcement, The Private Sector and sportsman alike.



MODEL: STALVEY-5 GRUNT-SPR (Special Purpose Rifle)

BARRLEThis .223 Wylde chambered 16 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a FailZero Nickel Boron Coated Extended M4 Feed Ramp Extension.

This barrel features a Mk12 Mod H profile with a longer .750” profile dimension necessary for proper installation of the OPS Inc 12th model collar and suppressor.

Length 16″
Material 416R Stainless Steel
Profile Tactical Government
Finish Bead Blasted
Gas System Length Mid-Length
Gas Block Journal .750″
Twist Rate 1:8 inches
Muzzle 1/2×28 Threaded
Weight 32oz Barrel only
Other Info HP and MPI Tested

Guaranteed to give sub Minute of Angle (MOA) accuracy with match grade ammunition. We define sub MOA as a group size of 1 inch or under at 100 yards with a 3 shot magazine fed group, or 5 shot single loaded group.


Rifle Package Price: $ 1,499.95

  • Tax & Shipping where applicable
  • Please contact us for purchase


  • Silverback Gun Locker Billet Upper & Lower Receivers
  • Silverback Gun Locker Fine Tuned MIL-SPEC Trigger
  • Luth AR MBA-3 Stock
  • NIB Bolt Carrier Group
  • Gas Block Adj.
  • Midwest Two Chamber Muzzle Brake 1/2 x 28
  • AR Enhanced Ambi Safety Selector
  • Ambi Loop QD Receiver End Plate
  • AR Enhanced Mag Release Button
  • Tactical Assault Polymer Pistol Grip
  • Midwest 12″ M-LOK  Rail System
  • BCM Gunfigher MOD4-M Charging Handle
  • 1 AR PMAG 20 round
  • Plastic Hard Case
  • Anti Walk Trigger Pins- Small Pins
  • M-LOK BiPod Mount
  • Field Cleaning Kit

(This packaged rifle is as advertised above, comes complete with the above described rifle platform setup and accessories.)




If submitting for a Purchase Order by local, state, federal, Gov. or the private sector you are given a 7% discount per unit and are waived Sales Tax if eligible. If you are where we must ship items the cost of shipping will be added to your final purchase price. Shipping cost will be determined after quantity of items is determined.

PO Payment terms:

Buyer must pay for PO in full on date of making the PO, prior to or no later than the delivery date!


Complete rifles carry a Limited Lifetime Warranty against failure of factory parts and labor.

Note: Non-Silverback Gun Locker products available on this website are warrantied exclusively by their manufacturers in accordance with terms and conditions packaged with the products. Silverback Gun Locker’s warranty does not apply to NON-Silverback Gun Locker products, even if packaged with Silverback Gun Locker products.


Silverback Independent warrants to the initial purchaser that the rifles purchased will be free of defects in parts, material and workmanship which affect satisfactory operation. This warranty is limited to the repair or replacement of the part or parts which are returned to Silverback Independent LLC and which are determined by Silverback Independent LLC to be defective. This warranty, made to the original owner/purchaser, is not transferable. The following items are excluded from this warranty: A. Normal wear of protective finishes and of all metal or plastic parts. B. Damage or malfunction resulting from accident, negligence, misuse or unauthorized repair or alteration. C. Damage from use of other than factory ammunition.


Silverback Independent LLC will not be responsible for the results of careless handling, unauthorized repairs and adjustments, corrosion, neglect, and unreasonable or unsafe use. Silverback Independent LLC assumes no responsibility for damage and/or injury caused in whole or in part by handloaded, reloaded or defective ammunition. Under no circumstances shall Silverback Independent LLC be responsible for incidental or consequential damages with respect to economic loss or injury to property arising out of use of handloaded or remanufactured ammunition, negligence, unsafe handling or unauthorized modifications to the firearm.


If a firearm is carelessly or improperly handled, unintentional discharge could result and could cause injury, death or damage to property. Do not use handloads, reloads or remanufactured ammunition in your Silverback Independent LLC product. Use of this ammunition is dangerous and by using it you assume all risks associated with its use. The use of handloads, reloads or remanufactured ammunition will void the Limited Lifetime Warranty.


Before your Silverback Independent LLC rifle was delivered it was tested, carefully inspected and packaged. Silverback Independent LLC cannot control product handling after delivery. Therefore, please examine the product carefully upon delivery to insure that it is unloaded and undamaged.

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