Build Kits

Compare build kits prices from top retailers. Find the best deals across all major brands.

Products

661

In Stock on This Page

3

Brands

77

Price Range

$7–$1,835

Top Build Kits Brands

Midwest Industries 140 Aero Precision 82 Geissele Automatics 53 Magpul 30 Daniel Defense 24 Brownells 21

All Build Kits Products (661 results)

Hide out of stock

Ar-15 Mike-9 Complete Monolithic Colt Style Upper Receiver 9mm - Ar-15 Mike-9 16 Colt Style Upper Receiver 9mm Black - Foxtrot Mike Products

Foxtrot Mike Products

Ar-15 Mike-9 Complete Monolithic Colt Style Upper Receiver 9mm - Ar-15 Mike-9 16 Colt Style Upper Receiver 9mm Black

● Out of Stock

Ar-15 556 Switch Rail - 558 SwitchA(R) Rail 12''''-B.A.D Edition - Battle Arms Development Inc.

Battle Arms Development Inc.

Ar-15 556 Switch Rail - 558 SwitchA(R) Rail 12''''-B.A.D Edition

● Out of Stock

M1a/M14 Extended Length Rail System - M14/M1a Upper Rail System Black - Vltor Weapon Systems

Vltor Weapon Systems

M1a/M14 Extended Length Rail System - M14/M1a Upper Rail System Black

● Out of Stock

Brn-10A(R) Portugese Mid-Length Handguard, No Heat Shield - Brn-10 Portugese Mid-Length Handguard, No Heat Shield, Blk - Brownells

Brn-10A(R) Portugese Mid-Length Handguard, No Heat Shield - Brn-10 Portugese Mid-Length Handguard, No Heat Shield, Blk

● In Stock

Brn-10A(R) 308 Ar Retro Slip Ring - Brn Retro Slip Ring For Brn-308, Matte Black - Brownells

Brn-10A(R) 308 Ar Retro Slip Ring - Brn Retro Slip Ring For Brn-308, Matte Black

● In Stock

Ar-15 Hyper-Light Handguard Free Float Keymod - Hyper-Light Handguard Free Float Magnesium Alloy 13.5'''' Blk - V Seven Weapon Systems

V Seven Weapon Systems

Ar-15 Hyper-Light Handguard Free Float Keymod - Hyper-Light Handguard Free Float Magnesium Alloy 13.5'''' Blk

● Out of Stock

Tikka T3 Varmint Synthetic Forend - Tikka

Tikka T3 Varmint Synthetic Forend

● Out of Stock

Tikka T3x Tac A1 Forend Assembly - Tikka

Tikka T3x Tac A1 Forend Assembly

● Out of Stock

M89 Heavy Drive Lock M-Lok Rail - M89 Hvy Drive Lock 16.75'''' Mlok Rail W/Arca & Steel Qd Socket - Sons Of Liberty Gun Works

Sons Of Liberty Gun Works

M89 Heavy Drive Lock M-Lok Rail - M89 Hvy Drive Lock 16.75'''' Mlok Rail W/Arca & Steel Qd Socket

● Out of Stock

M89 Heavy Drive Lock M-Lok Rail - M89 Heavy Drive Lock 15'''' M-Lok Rail W/Arca & Steel Qd Socket - Sons Of Liberty Gun Works

Sons Of Liberty Gun Works

M89 Heavy Drive Lock M-Lok Rail - M89 Heavy Drive Lock 15'''' M-Lok Rail W/Arca & Steel Qd Socket

● Out of Stock

M89 Heavy Drive Lock M-Lok Rail - M89 Heavy Drive Lock 16.75'''' M-Lok Rail W/Steel Qd Sockets - Sons Of Liberty Gun Works

Sons Of Liberty Gun Works

M89 Heavy Drive Lock M-Lok Rail - M89 Heavy Drive Lock 16.75'''' M-Lok Rail W/Steel Qd Sockets

● Out of Stock

Ar-15 M76 Wedge Lock M-Lok Rails W/ Steel Bbl Nut/Steel Qd Socket - 8'''' M76 Wedge Lock M-Lok Handguard - Sons Of Liberty Gun Works

Sons Of Liberty Gun Works

Ar-15 M76 Wedge Lock M-Lok Rails W/ Steel Bbl Nut/Steel Qd Socket - 8'''' M76 Wedge Lock M-Lok Handguard

● Out of Stock

Ar-15 M76 Wedge Lock M-Lok Rails W/ Steel Bbl Nut/Steel Qd Socket - 16.5'''' M76 Wedge Lock M-Lok Handguard - Sons Of Liberty Gun Works

Sons Of Liberty Gun Works

Ar-15 M76 Wedge Lock M-Lok Rails W/ Steel Bbl Nut/Steel Qd Socket - 16.5'''' M76 Wedge Lock M-Lok Handguard

● Out of Stock

Ar-15 Exo2 M-Lok Rails - Exo2 15'''' M-Lok Handguard - Sons Of Liberty Gun Works

Sons Of Liberty Gun Works

Ar-15 Exo2 M-Lok Rails - Exo2 15'''' M-Lok Handguard

● Out of Stock

Sako Trg M10 Long Forend Assembly 30moa Coyote Brown - Sako

Sako Trg M10 Long Forend Assembly 30moa Coyote Brown

● Out of Stock

Sako Trg M10 Long Forend Assembly 30moa Black - Sako

Sako Trg M10 Long Forend Assembly 30moa Black

● Out of Stock

Sako Trg M10 Short Forend Assembly 30moa Black - Sako

Sako Trg M10 Short Forend Assembly 30moa Black

● Out of Stock

Sako Trg M10 Long Lower Forend Rail Black - Sako

Sako Trg M10 Long Lower Forend Rail Black

● Out of Stock

Sako Trg M10 Long Side Forend Rail - Sako

Sako Trg M10 Long Side Forend Rail

● Out of Stock

Sako Trg M10 Short Side Forend Rail - Sako

Sako Trg M10 Short Side Forend Rail

● Out of Stock

Sako Trg M10 Short Lower Forend Rail Black - Sako

Sako Trg M10 Short Lower Forend Rail Black

● In Stock

Sako Trg 22 30moa Mmrs Rail Kit - Sako

Sako Trg 22 30moa Mmrs Rail Kit

● Out of Stock

Sako Trg 42 0moa Itrs Rail Kit - Sako

Sako Trg 42 0moa Itrs Rail Kit

● Out of Stock

Sako Trg 42 Forend Desert Tan - Sako

Sako Trg 42 Forend Desert Tan

● Out of Stock