B
Bolbi
12.5" build

12.5" 5.56 NATO AR-15 Build

With the Geissele 11.5 Super Duty upper receiver, Ballistic Advantage Modern barrel and Midwest Industries Suppressor handguard.

Updated

12 of 12 core parts · complete
Shop the parts$3724.49

AR-15 Specs

Platform
AR-15
Caliber
5.56 NATO
Overall Length
12.5"
Lower
Aero Precision

AR-15 Parts List(19 parts)

Est. Total
$3724.49
Lower Receiver
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Platform: AR-15
Trigger Pin: .154
Finish: Hardcoat Anodized
Caliber: 5.56 NATO
Assembly: Complete
Color: Black
Material: 7075-T6 Aluminum
Upper Receiver
Geissele Automatics Llc Ar-15 11.5 Super Duty Stripped Upper Receiver Black
Twist Rate: 1:7
Platform: AR-15
Barrel Length: 11.5
Contour: Geissele
Caliber: 5.56 NATO
Assembly: Stripped
Color: Black
Barrel
Ballistic Advantage Ar-15 Modern Series 12.5 Carbine Barrel Gov't
Caliber: 5.56 NATO
Barrel Profile: Government
Gas System Length: Carbine
Barrel Length: 12.5
Finish: Nitride
Thread Pitch: 1/2x28
Coating: Nitride
Twist Rate: 1:7
Gas Block Diameter: .750
Buy at Brownells
Handguard
Midwest Industries Suppressor Series M-Lok Ar-15 Handguard - 15"
Mounting Interface: M-LOK
Handguard Length: 11.5
Platform: AR-15
Construction Type: Free-Float
Finish: Hardcoat Anodized
Gas System Length: Extended Rifle
Material: Aluminum
Color: Black
Charging Handle
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Latch Style: Extended
Hand: Ambidextrous
Material: 7075-T6 Aluminum
Color: OD Green
Bolt Carrier Group
Wilson Combat M16 Bolt Carrier Assy 5.56 Nato Polished Blk Nitride
Caliber: 5.56 NATO
Style: M16 Bolt Carrier
Finish: Nitride
Trigger
Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger
Platform: AR-15/AR-10
Trigger Bow: Hybrid
Adjustable: No
Type: Two-Stage
Gas Tube
Strike Industries Ar-15 Gas Tube - Carbine Length
Material: Stainless Steel
Gas System Length: Carbine
Finish: Polished
Gas Block
Strike Industries Collar Adjustable Gas Block
Finish: Phosphate
Gas Block Diameter: .750
Adjustable: Yes
Foregrip
Daniel Defense M-LOK Vertical Foregrip Mil-Spec+ - FDE
Mounting Interface: M-LOK
Storage: No
Color: FDE
Grip Type: Vertical
Muzzle Device
Huxwrx 556 Qd Flash Hider - 1/2x28
Type: Flash Hider
Thread Pitch: 1/2x28
Caliber: 5.56 NATO
Muzzle Device Type: Flash Hider
Forward Assist
Radian Forward Assist - 7075 Aluminum - Black
Style: Standard
Assembly: Complete
Color: Black
Material: Aluminum
Stock
Suppressor
Otter Creek Polonium K 556 Rifle Suppressor - Black
Caliber: 5.56 NATO
Color: Black
Optic
Sig Sauer Romeo 5XDR Gen II Red Dot Dot w/ Juliet 5 Micro Magnifier - SORJ5X201
Reticle Color: Red
Optic Type: Red Dot
Magnification: 5X
Color: Black
Dot Size: 2 MOA
Front Sight
Troy Industries, Inc. 1.34" Flip-Up Front Sight Aluminum Dark Earth
Color: FDE
Style: Flip-Up
Height: 1.34
Material: Aluminum
Rear Sight
Magpul Ar-15 Flip-Up Mbus Gen 2 Tactical Rear Sight Black
Illuminated: Non-Illuminated
Position: Rear
Fixed Folding: Folding
Style: Flip-Up
Color: Black
Light
Sightmark LoPro Mini Light and Green Laser - Visible/IR - Black
Laser Type: Green/IR Combo
Optic Type: Reflex
Mounting Interface: Picatinny
Color: Black
Material: Aluminum
Battery Type: CR123A 3V Lithium
Estimated Build Total
$3724.49

Other Builds Using These Parts

Browse all builds →

Community builds that share parts with this one — compare specs and pricing

BuildSharedTotal
Carbine 16" 5.56
3 parts$6561.86
First 5.56 build
3 parts$4087.36
Wilson Combat 16" build
3 parts$1303.57
aero precision 12.5" build
2 parts$4061.15
16" build
2 parts$3340.44
16" aero precision pistol
2 parts$1998.29
16" recce
2 parts$4992.57
carbine 14.5" 5.56
2 parts$2675.96