SIONICS Premium Rifle 3 16″ – S-15 Rail

from: $1,45995

The SIONICS Precision Rifle 3 16″ – S-15 Rail represents the pinnacle of AR-15 engineering. Built for uncompromising accuracy, it features our innovative S-15 rail and a meticulously matched receiver set. The thermal-fit barrel and ultra-tight receiver fitment ensure exceptional consistency and repeatability. Whether your objective is precision for long-range engagements or rugged reliability for demanding applications, the Premium Rifle 3 delivers unparalleled performance.

IN ORDER TO SHIP YOUR LOWER RECEIVER OR FIREARM, YOU MUST PROVIDE YOUR FFL INFORMATION (SHOP NAME, ADDRESS, and CONTACT INFORMATION) IN ORDER NOTES AT TIME OF ORDER.

Estimated Completion Date July 10, 2025 - July 15, 2025
SKU: S-PR3-S15 Category: Product ID: 28522

Description

 

Base Configuration:

Upper Receiver: 7075 M4 AR15 Style 5.56mm NATO – Premium Thermal Fit w/ Dowel Pin
Barrel: SIONICS 16” Chrome Lined Barrel – Medium Contour, 41V50, NATO Chamber, 1:8, Air-Gauged, Radiograph and MP Inspected
Gas System: Mid-Length, Direct-Impingement
Muzzle Device: SIONICS A2 Flash Hider
Bolt Carrier: SIONICS Phosphate Bolt Carrier Group
Bolt: Carpenter No.158, HP/MPI Tested, Black Insert and Sprinco 5-Coil Heavy Extractor Spring
Lower Receiver: Forged 7075-T6 Aluminum – Premium with tightest fitment possible
Trigger: SIONICS Enhanced Mil-Spec Trigger Assembly
Safety Selector: SIONICS Standard Ambidextrous Selector
Receiver Extension: SIONICS 6 Position Mil-Spec Receiver Extension (Dry Film Lubricated)
Buffer: H Buffer
Charging Handle: Radian Raptor Ambidextrous Charging Handle
Action Spring: Sprinco Blue
Stock: Magpul MOE SL Stock
Grip: Magpul MOE-K2 AR15 Grip
Hand Guard: 14.125″ SIONICS – S-15 MLOK Premium Handguard

(1) Magpul PMAG 30rd Magazine and rifle bag.

Optional Installed Add-Ons:

Bolt Carrier Group: SIONICS NP3 Bolt Carrier Group
Trigger: SIONICS Enhanced Two-Stage Trigger
Receiver End Plate: SIONICS QD Receiver End Plate
Iron Sights: Magpul MBUS Sights or Magpul MBUS Pro Sights
Vltor A5 Upgrade: Upgrade to SWS 7 Position Receiver Extension w/ Vltor A5 Buffer and Sprinco Green Action Spring

*Manufacturer reserves the right to substitute item with like or better item

All Firearms shipping to Alaska will be charged an additional $65.00 upon time of shipment.

Additional information

Upgrade to NP3 BCG?

No, Yes – Upgrade to NP3 BCG

Upgrade to Two-Stage Trigger

No, Yes – Upgrade to Two-Stage Trigger

Add Iron Sights

No – No Iron Sights Included, Yes – Add MBUS, Yes – Add MBUS PRO

Choose Arca or Non-Arca

Build with Arca Rail, Build with Non-Arca Rail

Upgrade to VLTOR A5 System?

No – Standard 6 Position Receiver Extension, Yes – Upgrade to VLTOR A5

Key Features of SIONICS Firearms

SIONICS Warranty

All SIONICS Weapon Systems Firearms, Receivers and Parts are manufactured for a Lifetime of Hard Use. With that said, we do expect you to use your SIONICS products, and if needed, trust that we would have you covered if your product fails.

SIONICS COMPLETE FIREARMS, UPPER RECEIVERS AND LOWER RECEIVERS WARRANTY

SIONICS Weapon Systems Complete Rifles, Complete Upper Receivers and Complete Lower Receivers are Guaranteed to Run for Life, Period. If you shoot out the barrel, we’ll replace it. If you need replacement parts, we’ll send them to you. If you break your Rifle, we’ll fix it. If your Rifle is taken into evidence after Justifiable Use of Deadly Force, we’ll replace it for you. Let’s break that down for you.

  • Who is Covered – Anyone with an unaltered Complete SIONICS Firearm, Upper Receiver or Lower Receiver
  • What is Covered –  Anything and Everything related to the function of Complete Firearms, Upper Receivers and Lower Receivers
  • What is Not Covered 
    • Modifying the internals of the Complete Firearm, Upper Receiver or Lower Receiver.
    • Using Non-Factory Ammunition (aka Reloads)
    • Careless Handling, Abuse or Misuse
    • Rust or Corrosion
    • Barrel Obstruction
    • Altering or Modifying existing Parts
    • Damages caused by failure to perform normal maintenance
    • Damages due to high velocity, high pressure, reloaded, remanufactured, or other non-standard ammunition
    • Cosmetic damages
    • Dimensional alterations caused from Cerakote or Paint (for example the removal of too much material or the addition of too much material altering the tolerance of components)
  • How Long is it Covered – Lifetime of the unaltered Complete Firearm, Upper or Lower Receiver
  • How will it be Covered – All Deemed Defective Parts will be either Repaired or Replaced by SIONICS staff

    WARRANTY PROCESSING INSTRUCTIONS

Step 1:

Call 520.396.3460 (Monday – Thursday 7:00 – 17:00 MST) and speak with one of our Excellent SIONICS staff to begin the troubleshooting process of your product. If deemed necessary you will then obtain an RMA# (Return Merchandise Authorization) to initiate the warranty claim. Outside of business hours please email us at warranty@sionicsweaponsystems.com

Step 2:

Once established that your item should return to SIONICS for further inspection, you will need to ship your defective/non-working item.

Return the item to our facility:
Make sure your assigned RMA# is clearly displayed on the outside of all return packages. This is necessary to match each package to the correct warranty claim. In addition please include a document listing your RMA#, Name, Phone Number as well as email address.

ATTN: Warranty Department
SIONICS Weapon Systems
5118 E. Pima Steet
Tucson, Arizona 85712

Step 3:

Our team here at SIONICS will work quickly to process your claim. Once your item is received, we will inspect and test within one business day. If the item is deemed defective, we will communicate back to you on your claim with the appropriate plan for repair or replacement.

Manual

SAR-15_SIONICS_Manual

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