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Billet receivers, UHPR handguards, Plan B suppressor mounts, and AR components. Machined in Tennessee. Made, not merchandised.
AR ReceiversBillet AR-15 and AR-10 receivers cut from 7075-T6 on our own machines. Lowers are serialized and ship to your FFL; uppers ship direct to you.5 lines
Handguards & Rail SystemsFree-float UHPR, HDM, DRT and TANO handguards from 6.7 to 17 inches. Every one uses the CMT barrel nut, which needs no timing and no shims.9 lines
AR ComponentsBuffers, springs, bolt catch hardware and the small parts that go missing mid-build.5 lines
Blemished PartsCosmetic seconds at a discount. Dimensionally in spec, fully functional, covered against manufacturing defects. Final sale.
89 products listed
All products
89 products
Plan B HUBS and Muzzle Devices
Plan B HUB Mount Adapter
1.375–24.900–2425 degrees
$59.99In stock
Ships USPS · UPS
Plan B HUBS and Muzzle Devices
Plan B Direct-Thread HUB Adapter 1/2–28
Direct thread
$59.99Out of stock
Ships USPS · UPS
Plan B HUBS and Muzzle Devices
Plan B Direct-Thread HUB Adapter 5/8–24
Direct thread
$59.99Out of stock
Ships USPS · UPS
Plan B HUBS and Muzzle Devices
Plan B 1/2-Inch ID Peel Washers — 6 Pack
6 washers
$14.99In stock
Ships USPS · UPS
Plan B HUBS and Muzzle Devices
Plan B 5/8-Inch ID Peel Washers — 4 Pack
4 washers
$14.99In stock
Ships USPS · UPS
Ships to FFLCombo Receiver Sets
TANO GEN 3 UHP-15A Ambi Billet Combo Receiver Set
Matched upper and lower receiver set
$489.99Out of stock
Free Priority Mail
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-7.125 MOD 3 HDX Quad Rail
7.125 in.QuadHDX MOD 3
$185.00In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-9.125 MOD 3 HDX Quad Rail
9.125 in.QuadHDX MOD 3
$195.00In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-12.5 MOD 3 HDX Quad Rail
12.5 in.QuadHDX MOD 3
$200.00In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-15.0 MOD 3 HDX Quad Rail
15.0 in.QuadHDX MOD 3
$215.00In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-7.125 MOD 4 HDX Hybrid Rail
7.125 in.HybridHDX MOD 4
$185.00Out of stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-9.125 MOD 4 HDX Hybrid Rail
9.125 in.HybridHDX MOD 4
$195.00In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-11.5 MOD 4 HDX Hybrid Rail
11.5 in.HybridHDX MOD 4
$199.99In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-12.5 MOD 4 HDX Hybrid Rail
12.5 in.HybridHDX MOD 4
$200.00In stock
Free Ground Advantage
UHPR MOD 3 Quad & MOD 4 Hybrid Rails
UHPR-15.0 MOD 4 HDX Hybrid Rail
15.0 in.HybridHDX MOD 4
$215.00In stock
Free Ground Advantage
BlemUHPR MOD 3 Quad & MOD 4 Hybrid Rails
BLEM UHPR-15.0 MOD 4 HDX Hybrid Rail
15.0 in.HybridHDX MOD 4
Free Ground Advantage
Complete Upper Receiver Groups
CMT-A 10.5" 5.56 CQB Complete Upper
M-LOKComplete upper receiver group
$895.00In stock
Free Priority Mail
HDM-A2 ARCA Swiss Rails
HDM-A2 11.5 ARCA Rail
11.5 in.ARCAHDM-A2
$231.99In stock
Free Ground Advantage
HDM-A2 ARCA Swiss Rails
HDM-A2 13 ARCA Rail
13.0 in.ARCAHDM-A2
$239.99In stock
Free Ground Advantage
HDM-A2 ARCA Swiss Rails
HDM-A2 15 ARCA Rail
15.0 in.ARCAHDM-A2
$249.50In stock
Free Ground Advantage
HDM-A2 ARCA Swiss Rails
HDM-A2 17 ARCA Rail
17.0 in.ARCAHDM-A2
$261.99In stock
Free Ground Advantage
BlemHDM-A2 ARCA Swiss Rails
HDM-A2 17 ARCA Rail - Slight Blem Finish
17.0 in.ARCAHDM-A2
Free Ground Advantage
BlemDRT-A2 ARCA Swiss Rails
DRT-A2 13 ARCA Rail - Slight Blem Finish
13.0 in.ARCADRT-A2
$245.99In stock
Free Ground Advantage
UHPR MOD 2 HDX Rails
UHPR-6.7 MOD 2 HDX Rail
6.7 in.M-LOKHDX MOD 2
$169.99In stock
Free Ground Advantage
UHPR MOD 2 HDX Rails
UHPR-9.5 MOD 2 HDX Rail
9.5 in.M-LOKHDX MOD 2
$189.00In stock
Free Ground Advantage
UHPR MOD 2 HDX Rails
UHPR-13.7 MOD 2 HDX Rail
13.7 in.M-LOKHDX MOD 2
$199.00In stock
Free Ground Advantage
UHPR MOD 2 HDX Rails
UHPR-15.0 MOD 2 HDX Rail
15.0 in.M-LOKHDX MOD 2
$209.00In stock
Free Ground Advantage
308 UHPR High-Profile Rails
UHPR 11.9 MOD 2-HP 308 Rail
11.9 in.M-LOKHDX MOD 2-HP
$239.99Out of stock
Free Ground Advantage
308 UHPR High-Profile Rails
UHPR 13.7 MOD 2-HP 308 Rail
13.7 in.M-LOKHDX MOD 2-HP
$249.99In stock
Free Ground Advantage
308 UHPR High-Profile Rails
UHPR 15.0 MOD 2-HP 308 Rail
15.0 in.M-LOKHDX MOD 2-HP
$259.99In stock
Free Ground Advantage
308 UHPR High-Profile Rails
UHPR 15.0 ARCA-HP 308 Rail
15.0 in.ARCAARCA-HP
$279.00In stock
Free Ground Advantage
308 UHPR High-Profile Rails
UHPR 17.0 ARCA-HP 308 Rail
17.0 in.ARCAARCA-HP
$289.00In stock
Free Ground Advantage
Ships to FFLBillet Lower Receivers
MANDA15 Lower Receiver
Stripped lower receiver
$275.99Out of stock
Free Ground Advantage
Ships to FFLBillet Lower Receivers
GEN 3 UHP-15 Billet Lower Receiver
Stripped lower receiver
$219.99In stock
Free Ground Advantage
Ships to FFLBillet Lower Receivers
GEN 3 UHP-15A Ambi Billet Lower Receiver
Stripped lower receiver
$259.00Out of stock
Free Ground Advantage
Billet Upper Receivers
UPUR-1 Billet Upper Receiver
Stripped upper receiver
$209.95In stock
Free Ground Advantage
Billet Upper Receivers
UPUR-1A Billet Upper Receiver - 458 SOCOM Compatible
Stripped upper receiver
Free Ground Advantage
Billet Upper Receivers
UPUR-1LH Left Hand Eject Billet Upper Receiver
Stripped upper receiver
$209.99In stock
Free Ground Advantage
Billet Upper Receivers
UPUR-2 Billet Upper Receiver - No Forward Assist
Stripped upper receiver
$199.99In stock
Free Ground Advantage
Billet Upper Receivers
UPUR-3 Slick Side Billet Upper - No Dust Cover
Stripped upper receiver
$168.99In stock
Free Ground Advantage
Billet Upper Receivers
UPUR-3A Billet Upper - Side and Rear Charged
Stripped upper receiver
$168.99Out of stock
Free Ground Advantage
Billet Upper Receivers
UPUR-4 Slick Side Billet Upper - With Dust Cover Port
Stripped upper receiver
$178.00In stock
Free Ground Advantage
BlemBillet Upper Receivers
BLEM UPUR-1 Billet Upper Receiver
Stripped upper receiver
Free Ground Advantage
BlemBillet Upper Receivers
BLEM UPUR-1LH Left Hand Eject Billet Upper Receiver
Stripped upper receiver
Free Ground Advantage
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
Combat Flash Compensator Mini 5.56mm ZCOMP
Mini1/2–28 RH
$59.99Out of stock
Ships USPS · UPS
Muzzle Devices
Combat Recoil Compensator Mini 5.56mm
Mini1/2–28 RH
$52.99Out of stock
Ships USPS · UPS
Muzzle Devices
UMD Hybrid Muzzle Device
AR-15Hybrid muzzle deviceMachined in Tennessee, USA
$73.50In stock
Ships USPS · UPS
Muzzle Devices
Competition Recoil Brake
AR-15Muzzle brakeMachined in Tennessee, USA
$79.95In stock
Ships USPS · UPS
Bolt Carrier Groups
M16 Bolt Carrier Group — Complete, Nitride
AR-15Bolt carrier group, complete5.56 NATO / .223 Rem
$149.50In stock
Ships USPS · UPS
Replacement Parts
Rail Mounting Hardware — AR-15 / AR-10
AR-15 / AR-10Handguard clamp hardware setBlack oxide hardware
$33.00In stock
Ships USPS · UPS
Replacement Parts
Barrel Nut Replacement — with Wrench
AR-15Barrel nut, with wrenchNot required — no shims, no clocking
$35.99In stock
Ships USPS · UPS
Replacement Parts
Barrel Nut Wrench Replacement
AR-15Barrel nut wrenchCMT AR-15 barrel nut
$15.99In 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
Ships to FFLCombo Receiver Sets
AR-15 Billet Combo Receiver Set
AR-15Combo receiver set, upper and lowerYes — the whole set ships to a licensed dealer
$410.00Out of stock
Free Priority Mail
Ships to FFLCombo Receiver Sets
A.B.S. Ambi AR-15 Builder Set
AR-15Builder set, five piecesYes — the whole set ships to a licensed dealer
$749.99Out of stock
Free Priority Mail
Ships to FFLCombo Receiver Sets
TANO Ambi Receiver Set with 15 in. Rail — Builder Set
AR-15Builder set, three piecesYes — the whole set ships to a licensed dealer
$689.99Out of stock
Free Priority Mail
Ships to FFLCombo Receiver Sets
GEN 3 UHP15A Ambi Billet Combo Receiver Set
AR-15Combo receiver set, upper and lowerYes — the whole set ships to a licensed dealer
$469.99Out of stock
Free Priority Mail
Ships to FFL308 Combo Receivers
.308 Ambi Billet Combo Receiver Set
AR-10Combo receiver set, upper and lowerYes — the whole set ships to a licensed dealer
$529.99Out of stock
Free Priority Mail