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AR Components

Buffers, springs, bolt catch hardware and the small parts that go missing mid-build.

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5 lines in AR Components
Bolt Carrier GroupsComplete carrier groups, assembled, staked and ready to run.Replacement PartsBarrel nuts, rail hardware, control parts and the small pieces that go missing mid-build.Plan B HUBS and Muzzle DevicesPlan B HUB Adapters & Muzzle DevicesMuzzle DevicesMuzzle devices for AR-15 and AR-10 barrels.J.A.G. Gas BlocksJ.A.G. low-profile gas blocks for AR-15 and AR-10 builds.

All AR Components

26 products
Plan B HUBS and Muzzle Devices

Plan B HUB Mount Adapter

1.375–24.900–2425 degrees
$59.99In stock
Ships USPS · UPS
J.A.G. Gas Blocks

J.A.G. .625 Low-Profile Gas Block

AR-15 / AR-10Low-profile gas blockStandard gas tube, under a free-float handguard
$24.99Out of stock
Ships USPS · UPS
J.A.G. Gas Blocks

J.A.G. .750 Low-Profile Gas Block

AR-15 / AR-10Low-profile gas blockStandard gas tube, under a free-float handguard
$29.99In stock
Ships USPS · UPS
J.A.G. Gas Blocks

J.A.G. .875 Low-Profile Gas Block

AR-15 / AR-10Low-profile gas blockStandard gas tube, under a free-float handguard
$49.99In stock
Ships USPS · UPS
J.A.G. Gas Blocks

J.A.G. .936 Low-Profile Gas Block

AR-15 / AR-10Low-profile gas blockStandard gas tube, under a free-float handguard
$24.99Out of stock
Ships USPS · UPS
Muzzle Devices

UMD Hybrid Muzzle Device

AR-15Hybrid muzzle deviceMachined in Tennessee, USA
$73.50In stock
Ships USPS · UPS
Replacement Parts

Ambi Lower Replacement Hardware

AR-15Ambidextrous control hardware setBolt catch and magazine release, with pins, springs and detents
$35.00In stock
Ships USPS · UPS