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SBR 12.5" 5.56

SBR 12.5" 5.56 AR-15 Build

With the Geissele 16 Super Duty upper receiver, Rosco Manufacturing Bloodline barrel and Geissele MK16 13.5" Super handguard.

Updated

8 of 12 core parts

running this Geissele upper Spike's Tactical lower. not finished yet but close. next on the list is a muzzle device. any tips welcome

Shop the parts$6361.79(16/17 priced)

AR-15 Specs

Platform
AR-15
Caliber
5.56 NATO
Overall Length
12.5"
Lower
Spike's Tactical

AR-15 Parts List(17 parts)

Est. Total
$6361.79
Lower Receiver
Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Flat Dark Earth - STS1512
Assembly: Complete
Caliber: .223 Wylde
Color: FDE
Platform: AR-15
Buy at MidwayUSA
Upper Receiver
Geissele Automatics Llc Ar-15 16 Super Duty Stripped Upper Receiver Ddc
Barrel Length: 15
Platform: AR-15
Color: FDE
Caliber: 5.56 NATO
Contour: Geissele
Assembly: Stripped
Twist Rate: 1:7
Buy at Brownells
Barrel
Rosco Manufacturing Bloodline 5.56 Ar-15 Barrel Sauce Pack - 12.5"
Thread Pitch: 1/2x28
Gas System Length: Carbine
Barrel Length: 12.5
Barrel Profile: Government
Caliber: 5.56 NATO
Twist Rate: 1:7
Coating: QPQ/Nitride
Handguard
Geissele Automatics Llc Ar-15 Mk16 13.5" Super Modular Rail M-Lok Ddc
Handguard Length: 14
Platform: AR-15
Color: FDE
Mounting Interface: M-LOK
Material: Aluminum
Construction Type: Free-Float
Finish: Hardcoat Anodized
Charging Handle
Forward Controls Design Ambidextrous Ar-15 Charging Handle - Fde
Color: FDE
Hand: Ambidextrous
Platform: AR-15
Pistol Grip
Foregrip
Samson Manufacturing M-LOK Vertical Grip - Medium Standard - FDE
Mounting Interface: M-LOK
Color: FDE
Storage: No
Grip Type: Vertical
Material: Aluminum
Forward Assist
Strike Industries Ar-15 Extended Forward Assist Lightweight Low Profile Fde
Style: Extended
Material: Steel
Assembly: Complete
Color: FDE
Dust Cover
Strike Industries Billet Ultimate Ar-15 Dust Cover - Fde
Material: Aluminum
Dust Cover Style: Billet
Color: FDE
Stock
Magpul Ar-15 Prs Lite Buttstock Fde
Stock Type: Adjustable
Color: FDE
Material: Polymer
Buy at Brownells
Iron Sights
Rifle Scopes
Vortex Razor Gen II HD-E 1-6x24 Riflescope - JM-1 BDC
Focal Plane: SFP
Eye Relief: 4.00 in
Optic Tube Diameter: 30mm
Battery Type: CR2032
Illuminated: Yes
Night Vision Compatible: No
Total Windage Adjustment: 150 MOA
Reticle Color: Red
Moa Adjustment: 1/2 MOA
Objective Diameter: 24mm
Field View 100: 115.20 ft / High: 20.50 ft
Magnification: 1-6x
Total Elevation Adjustment: 150 MOA
Reticle Type: MOA
Scope Type: LPVO
Optic Mount
Browning 30mm High Aluminum Alloy Lightweight 2-Piece Integrated Scope Ring, Burnt Bronze Cerakote - 12536
Color: Bronze
Mount Type: Scope Rings
Height: High
Material: Aluminum
Optic Tube Diameter: 30mm
Light
Surefire Scout Light Pro 550 lumens w/ Pic Rail Mount, Tan - M340DFT-TN-PRO
Output: 550 Lumens
Light Type: Flashlight
Color: FDE
Laser
Steiner Optics DBAL-A3 Dual Beam Aiming Laser with IR LED Illuminator - Black
Material: Aluminum
Battery Type: CR123A 3V Lithium
Modes: Green Laser, IR Illuminator, IR Laser
Laser Type: Dual Beam
Switches
Unity Tactical TAPS - Surefire / Laser - 9" - FDE
Compatibility: SureFire
Color: FDE
Switch Type: Dual Switch
Cable Length: 9
Buy at MidwayUSA
Estimated Build Total(16 of 17 parts priced)
$6361.79

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