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Second Amendment Armament

Second Amendment Armament SAA-15 TIER 1

Product Code : SAA-15-T1

$899.99

Mfg Item #: SAA-15-T1

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This Tier 1 entry-level AR-15 build emphasizes quality and reliability with 100% American-made components. Starting with a robust foundation, it features an SAA15 lower receiver and an AR15 upper receiver, both precision-machined from durable 7075-T6 forged aircraft-grade aluminum by Cerro Forging and finished with a Mil-Spec MIL-A-8625 Type III Class 1 anodization for exceptional wear and corrosion resistance. The lower receiver includes practical enhancements like a threaded bolt catch, threaded rear takedown hole, and threaded upper adjustment for a secure and precise fit.

The bolt carrier group boasts a full auto-rated carrier crafted from domestic aircraft-quality 8620 steel, paired with a 4130 steel gas key secured with properly staked Grade 8 screws. The bolt is made from high-quality C158 steel, featuring a 4140 steel extractor with a Mil-Spec O-ring and gas rings, a 4140 steel cam pin, and a hard chrome/ground 8740 firing pin. It's MPI tested and shot peened to ensure reliable performance and is finished with a Black Nitride treatment (Salt Bath Nitride/QPQ) for increased hardness, wear resistance, and a deep black finish.

The OUTERWILD 16" 5.56 Government Profile Midlength AR-15 barrel is a testament to precision manufacturing. Produced in-house by Outerwild using automated processes, this barrel is made from 4150 CMV steel, stress-relieved, air-gauge tested, and individually checked for headspace, guaranteeing superior accuracy. It features a 1:7 RH twist rate, a .750" gas block journal, a .078" gas port, and a 1/2-28 muzzle thread, finished with Blacknitride+™ by H&M for enhanced durability. It also sports M4 feed ramps and an 11° target crown.

The build is completed with a MIL-SPEC lower parts kit featuring a standard fire control group, an A2 grip kit, a 90-degree standard safety, and all necessary detents, springs, pins, and the magazine catch assembly. A low-profile .750" set screw gas block made from stainless steel with a nitride finish and a nitrided mid-length gas tube ensure proper gas system function. The SAA-15 handguard provides a comfortable and versatile platform. An A2 extended flash hider is included as the muzzle device. An ambidextrous charging handle offers ease of use for both left and right-handed shooters. The rifle also includes a standard safety selector, an A2 grip, a Black Nitride auto 5.56 BCG with a C158 bolt, a MIL-SPEC 3.0 oz buffer kit, and a Mission First Tactical BATTLELINK Minimalist stock (MIL-SPEC, black) for a lightweight and adjustable platform. This rifle is a solid entry into the AR-15 platform, built with quality, American-made components for reliable performance.

TIER 1 ENTRY LEVEL

ALL PART MADE IN USA

SAA15 Lower Receiver

Machined from 7075-T6 forged aircraft grade aluminum. (Cerro Forging)

Finish: Anodized to Mil-Spec MIL-A-8625 Type III Class 1

Weight: .55lbs

Enhanced: 

  • Threaded Bolt Catch
  • Threaded Rear Take Down Hole
  • Threaded Upper Adjustment

AR15 Upper Receiver – M4 Feed Ramps

Finish: Anodized to Mil-Spec MIL-A-8625 Type III Class 1

Weight: .45lbs

Machined from 7075-T6 forged aircraft grade aluminum (Cerro Forging)

M4 Feed Ramps

1913 Picatinny Rail Flat Top

Carrier Specifications

Material: Domestic Aircraft Quality 8620 Steel

Gas Key: 4130 Steel: Grade 8 Gas Key Screws (properly staked)

Full Auto Rated

Bolt Specifications

Bolt Material: C158

Extractor Material: 4140 Steel

Mil-Spec O-Ring

Mil-Spec Gas Rings (3)

Cam Pin Material: 4140 Steel

Firing Pin Material: Hard Chrome/Ground 8740

MPI Tested, Shot Peened

Black Nitride

Black Nitride is a process commonly referred to as SBN (Salt bath nitride) and QPQ (quench polish quench). These are a form of nitrocarburizing or a Thermo Chemical treatment that improves wear resistance and corrosion resistance of ferrous metals with little or no dimensional change which causes the hardening of steel. The chemical bath results in a deep dark black with a harder, more durable finish.

MIL-SPEC Lower Parts Kit 
Fire Control Group
AR15 Grip Kit — A2
Grip screw
Grip screw lock washer
Trigger Guard
Trigger guard pin 
90-degree standard safety 
Safety detent
Safety detent spring
Bolt catch
Bolt catch plunger
Bolt catch roll pin
Magazine catch
Magazine catch spring
Pivot pin
Takedown pin
(2) pivot/takedown pin detents
Magazine release button
(2) pivot/takedown pin detent springs
Buffer retaining pin
Buffer retaining pin spring

OUTERWILD 16" 5.56 Government Profile Midlength AR 15 Barrel, Modern Series

Outerwild AR15 barrels are produced in-house by Outerwild. Using our fully automated robotic-driven production line, we drill, ream, rifle, contour and assemble our barrels from raw bar stock to the finished product. These barrels are properly stress relieved after rifling, air-gauge tested, and individually checked for head space. Our quality control system ensures they are dimensionally correct and bores fall well within their individual tolerance ensuring superior accuracy.

  • Length: 16" 
  • Weight: 29.0 ounces
  • Caliber: 5.56 NATO
  • Gas System: Mid-length 
  • Twist Rate: 1:7 RH 
  • Gas Block Journal: .750"
  • Gas Port Size: .078" 
  • Muzzle Thread: 1/2-28 
  • Material: 4150 CMV
  • Finish: Blacknitride+™ by H&M
  • Profile: Government
  • Barrel Extension: M4
  • 11° Target Crown
  • 100% American Made

GAS BLOCK

AR15 Low Profile Gas Block .750" Set Screw — Stainless Steel, Nitride

GAS TUBE

 AR15 Gas Tube Nitrided — Mid-Length

HAND GUARD

SAA-15 HAND GUARD

MUZZEL DEVICE

AR15 Flash Hider — A2 Extended 1/2-28

AMBI CHARGING HANDEL

AR-15 Charging Handle - Ambidextrous - Anodized Black

SAFETY

AR15 Safety Selector - STANDARD

GRIP AR15 Grip Kit — A2        
BCG Black Nitride Auto 556 w/C158 bolt    
BUFFER KIT
MIL SPEC 3.0 oz Buffer
       
STOCK Mission First Tactical BATTLELINK Minimalist Stock - MIL-SPEC - Black

Determined at checkout.

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