Build Kits

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

Products

661

In Stock on This Page

6

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

M89 11.5'''' Drive Lock Handguard W/ 13.7'''' 5.56 Barrel Bundle - M89 11.5'''' Drive Lock Handguard W/13.7'''' 5.56 Barrel Set - Brownells

M89 11.5'''' Drive Lock Handguard W/ 13.7'''' 5.56 Barrel Bundle - M89 11.5'''' Drive Lock Handguard W/13.7'''' 5.56 Barrel Set

● Out of Stock

Ar-15 Brownells WrenchmanA(R) Precision Handguards M-Lok - Ar-15 Wrenchman Precision Handguard Arca Swiss Mount - Brownells

Ar-15 Brownells WrenchmanA(R) Precision Handguards M-Lok - Ar-15 Wrenchman Precision Handguard Arca Swiss Mount

● Out of Stock

Ar-15 C.A.R. Handguard Set - C.A.R. Handguard Set Black - D.S. Arms

Ar-15 C.A.R. Handguard Set - C.A.R. Handguard Set Black

● Out of Stock

Fal Handguard - Fal Metric Full Length Handguards - D.S. Arms

Fal Handguard - Fal Metric Full Length Handguards

● Out of Stock

Ar15a4 Handguard Assembly - Ar-15/M16 A2 Rifle Length Handguard For M16a2 - Colt

Ar15a4 Handguard Assembly - Ar-15/M16 A2 Rifle Length Handguard For M16a2

● Out of Stock

Forearm, Magnum - Browning

Forearm, Magnum

● Out of Stock

Forearm, Octagon - Browning

Forearm, Octagon

● Out of Stock

Forearm, Grade Ii - Browning

Forearm, Grade Ii

● Out of Stock

Ar-15 Warhammer Mod2 Ambidextrous Charging Handle - Ar-15 Warhammer Charging Handle & 15'''' Rg2-S M-Lok Handgrd - Breek Arms

Ar-15 Warhammer Mod2 Ambidextrous Charging Handle - Ar-15 Warhammer Charging Handle & 15'''' Rg2-S M-Lok Handgrd

● Out of Stock

Ar-15 Warhammer Mod2 Ambidextrous Charging Handle - Ar-15 Warhammer Charging Handle & 13.7'''' Rg2-S M-Lok Hndgrd - Breek Arms

Ar-15 Warhammer Mod2 Ambidextrous Charging Handle - Ar-15 Warhammer Charging Handle & 13.7'''' Rg2-S M-Lok Hndgrd

● Out of Stock

Ar-15 Warhammer Mod2 Ambidextrous Charging Handle - Ar-15 Warhammer Charging Handle & 11.7'''' Rg2-S M-Lok Hndgrd - Breek Arms

Ar-15 Warhammer Mod2 Ambidextrous Charging Handle - Ar-15 Warhammer Charging Handle & 11.7'''' Rg2-S M-Lok Hndgrd

● Out of Stock

Ar-15 Carbon Fiber Free Float Tube - 15'''' Ar-15 M-Lok Carbon Fiber Free Float Tube - Ke Arms

Ar-15 Carbon Fiber Free Float Tube - 15'''' Ar-15 M-Lok Carbon Fiber Free Float Tube

● Out of Stock

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 15'''' Slim Line Handguard W/ Flip-Up Combat Sights - Midwest Industries

Midwest Industries

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 15'''' Slim Line Handguard W/ Flip-Up Combat Sights

● In Stock

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 14'''' Slim Line Handguard W/ Flip-Up Combat Sights - Midwest Industries

Midwest Industries

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 14'''' Slim Line Handguard W/ Flip-Up Combat Sights

● In Stock

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 12.625'''' Slim Line Handguard W/ Flip-Up Combat Sights - Midwest Industries

Midwest Industries

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 12.625'''' Slim Line Handguard W/ Flip-Up Combat Sights

● In Stock

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 10.5'''' Slim Line Handguard W/ Flip-Up Combat Sights - Midwest Industries

Midwest Industries

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 10.5'''' Slim Line Handguard W/ Flip-Up Combat Sights

● In Stock

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 9.25'''' Slim Line Handguard W/ Flip-Up Combat Sights - Midwest Industries

Midwest Industries

Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 9.25'''' Slim Line Handguard W/ Flip-Up Combat Sights

● Out of Stock

Aluminum Moe Style Picatinny Rails - Aluminum L3 Picatinny Rail - Kinetic Research Group

Kinetic Research Group

Aluminum Moe Style Picatinny Rails - Aluminum L3 Picatinny Rail

● In Stock

Aluminum Moe Style Picatinny Rails - Aluminum L2 Picatinny Rail - Kinetic Research Group

Kinetic Research Group

Aluminum Moe Style Picatinny Rails - Aluminum L2 Picatinny Rail

● In Stock

M&P(TM) 15-22 Handguards Free Float M-Lok - M&P 15-22 Handguard 10'''' Free Float M-Lok Black - Tacticool22

M&P(TM) 15-22 Handguards Free Float M-Lok - M&P 15-22 Handguard 10'''' Free Float M-Lok Black

● Out of Stock

416/Mr556 Handguards Free Float Picatinny - Hk416 9'''' Handguard Black - Heckler & Koch

416/Mr556 Handguards Free Float Picatinny - Hk416 9'''' Handguard Black

● Out of Stock

Ar-15 Mike-9 Complete Monolithic Colt Style Upper Receiver 9mm - Ar-15 Mike-9 8.5 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 8.5 Colt Style Upper Receiver 9mm Black

● Out of Stock

Ar-15 Mike-9 Complete Monolithic Colt Style Upper Receiver 9mm - Ar-15 Mike-9 10.5 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 10.5 Colt Style Upper Receiver 9mm Black

● Out of Stock

H&K 93 Ras Handguard - H&K 93 Ras Handguard Picatinny Black - Knights Armament

Knights Armament

H&K 93 Ras Handguard - H&K 93 Ras Handguard Picatinny Black

● Out of Stock