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20 Switch

20 Switch 5.56 NATO Rifle AR-15 Build

With the PSA 20" 5.56 Rifle Length 1/7 upper receiver, PSA 5.56 Full-Auto Nitride MPI bolt carrier group and Partisan Disruptor 3 Position trigger.

PlannedParts list for a rifle not built yet. Photos show the parts.

Updated

12 of 12 core parts · complete
Shop the parts$968.53

Recce and DMR AR-15 Specs

Platform
AR-15
Caliber
5.56 NATO
Gas System
Rifle
Lower
Spike's Tactical

How this build compares to other Recce and DMR AR-15 builds

From parts picked in GunPartPicker builds · November 2026

The Magpul MOE Stock Collapsible is the #1 stock & brace in Recce and DMR AR-15 builds on GunPartPicker, picked in about 1 in 12 of them. The Magpul MOE Stock Collapsible and PSA 5.56 Full-Auto Nitride MPI together show up in 1% of Recce and DMR AR-15 builds.

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See popular Recce and DMR AR-15 builds

Recce and DMR AR-15 Parts List(9 parts)

Est. Total
$968.53
Lower Receiver
Spike's Tactical Stripped Ar-15 Lower Receiver - Snowflake
Trigger Pin: .154
Caliber: 5.56 NATO
Style: Forged
Color: Black
Finish: Hardcoat Anodized
Assembly: Stripped
Platform: AR-15
Material: 7075-T6 Aluminum
Buy at MidwayUSA
Upper Receiver
PSA 20" 5.56 Rifle Length 1/7 Nitride 15" Lightweight M-lok Upper - No BCG & CH
Platform: AR-15
Assembly: Complete
Gas System Length: Rifle
Color: Black
Caliber: 5.56 NATO
Barrel Length: 20
Finish: Nitride
Charging Handle
Strike Industries Arch Ar-15 Charging Handle Standard Latch - Black
Hand: Ambidextrous
Material: 7075-T6 Aluminum
Color: Black
Latch Style: Extended
Platform: AR-15
Bolt Carrier Group
Pistol Grip
Foregrip
Magpul AFG-2 Angled Fore Grip - Black
Grip Type: Angled
Color: Black
Storage: No
Mounting Interface: Picatinny
Stock
Magpul Ar-15 Moe Stock Collapsible Mil-Spec Blk
Color: Black
Material: Polymer
Tube Spec: Mil-Spec
Stock Type: Collapsible
Buy at Brownells
Buffer Tube
Cmc Triggers Ar-15 Buffer Tube Assembly Carbine Mil-Spec 6-Position
Buffer Tube Spec: Mil-Spec
Color: Black
Assembly: Parts Kit
Buffer Tube Type: Carbine
Material: 7075-T6 Aluminum
Finish: Nitride
Estimated Build Total
$968.53

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