Lewis Machine & Tool AR-15 Parts & Accessories
Lewis Machine & Tool produces premium AR-15 parts and accessories, including barrels, bolt carrier groups, and triggers. They are a duty/professional-grade brand, veteran-owned, and made in the USA with over 20 years of experience.
Lewis Machine & Tool was established in 20+ Years.
Manufacturing origin: Made in USA.
Market positioning: Duty / Professional.
Lewis Machine & Tool has 150 products available on GunPartPicker, ranging from $0.00 to $3393.99.
Lewis Machine & Tool Product Categories
- Barrel: 32 products
- Bolt Carrier Group: 20 products
- Upper Receiver: 18 products
- Lower Receiver: 18 products
- Charging Handle: 9 products
- Trigger: 6 products
- Bolt Catch: 6 products
- Takedown Pin: 6 products
- Stock & Brace: 6 products
- Safety: 5 products
- Buffer: 5 products
- Trigger Guard: 3 products
- Forward Assist: 3 products
- Complete Rifle: 3 products
- Magazine Release: 3 products
- End Plate: 2 products
- Buffer Tube Assembly: 2 products
- Gas Tube: 1 product
- Castle Nut: 1 product
- Buffer Tube: 1 product
Stock status: 51 in stock, 99 out of stock.
1-16 of 32 results
1-16 of 32 results
Lewis Machine & Tool
Lmt 5.56 Chrome Lined M4 Ar-15 Barrel With A2 Fsb - 14.5"
Caliber: 5.56 NATO
Gas System: Carbine
Length: 14.5
Twist: 1:7
Contour: M4
Caliber
5.56 NATO
Gas System
Carbine
Length
14.5
Twist
1:7
Contour
M4
$428$428
In Stock$428$428
In Stock
Lewis Machine & Tool
Lmt 5.56 Chrome Lined M4 Ar-15 Barrel With A2 Fsb - 10.5"
Caliber: 5.56 NATO
Gas System: Carbine
Length: 10.5
Twist: 1:7
Contour: M4
Caliber
5.56 NATO
Gas System
Carbine
Length
10.5
Twist
1:7
Contour
M4
$452$452
In Stock$452$452
In Stock
Lewis Machine & Tool
Lmt Mrp 5.56 Nato Chrome Lined Piston Ar-15 Barrel - 12"
Caliber: 5.56 NATO
Gas System: Carbine
Length: 16
Twist: 1:7
Caliber
5.56 NATO
Gas System
Carbine
Length
16
Twist
1:7
$717$717
In Stock$717$717
In Stock
Lewis Machine & Tool
Lmt Defense Mars H Piston 7.62X51MM 16 Barrel 1 20RD Magazine Rifle
Caliber: 7.62x51 NATO
Length: 16
Caliber
7.62x51 NATO
Length
16
$3,394$3,394
In Stock$3,394$3,394
In Stock
Lewis Machine & Tool
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL
Caliber: 5.56 NATO
Caliber
5.56 NATO
$473$473
In Stock$473$473
In Stock
Lewis Machine & Tool
LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 16" 1:7 Twist
Caliber: 5.56 NATO
Length: 16
Twist: 1:7
Caliber
5.56 NATO
Length
16
Twist
1:7
$538$538
In Stock$538$538
In Stock
Lewis Machine & Tool
LMT Defense MARS-L MRP 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Length: 16
Caliber
5.56 NATO
Length
16
$2,702$2,702
In Stock$2,702$2,702
In Stock
Lewis Machine & Tool
LMT Defense MWS .308 Lightweight Stainless Steel Barrel - 16”
Caliber: .308 Win
Length: 16
Contour: Lightweight
Caliber
.308 Win
Length
16
Contour
Lightweight
$878$878
In Stock$878$878
In Stock
Lewis Machine & Tool
LMT MRP Barrel Locking Screws - Pair
$29$29
In Stock$29$29
In Stock
Lewis Machine & Tool
Centurion Arms RECCE 5.56 NATO 1:7 R5 416R Stainless Steel Mid-Length Barrel
Caliber: 5.56 NATO
Length: Mid-Length
Twist: 1:7
Caliber
5.56 NATO
Length
Mid-Length
Twist
1:7
$404$404
In Stock$404$404
In Stock
Lewis Machine & Tool
LMT Defense MRP 5.56mm 14.5" Piston Barrel
Caliber: 5.56 NATO
Gas System: Pistol
Length: 14.5
Caliber
5.56 NATO
Gas System
Pistol
Length
14.5
$717$717
In Stock$717$717
In Stock
Lewis Machine & Tool
LMT Defense MWS .308 Lightweight Stainless Steel Barrel - 13.5”
Caliber: .308 Win
Length: 13.5
Caliber
.308 Win
Length
13.5
$878$878
In Stock$878$878
In Stock
Lewis Machine & Tool
LMT MWS .308 Chrome Lined Barrel - 16"
Caliber: .308 Win
Length: 16
Caliber
.308 Win
Length
16
$646$646
In Stock$646$646
In Stock
Lewis Machine & Tool
LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16"
Caliber: 5.56 NATO
Length: 15
Caliber
5.56 NATO
Length
15
$717$717
In Stock$717$717
In Stock
Lewis Machine & Tool
LMT Defense MWS .308 Stainless Steel AR-10 Barrel - 20”
Caliber: .308 Win
Gas System: Rifle
Length: 20
Caliber
.308 Win
Gas System
Rifle
Length
20
$878$878
In Stock$878$878
In Stock
Lewis Machine & Tool
LMT Defense Barrel Straightness Gauge Stainless .308 Cal
Caliber: .308 Win
Caliber
.308 Win
$203$203
In Stock$203$203
In StockLewis Machine & Tool
Lmt 5.56 Chrome Lined M4 Ar-15 Barrel With A2 Fsb - 14.5"
Caliber: 5.56 NATO
Gas System: Carbine
Length: 14.5
Twist: 1:7
Contour: M4
Caliber
5.56 NATO
Gas System
Carbine
Length
14.5
Twist
1:7
Contour
M4
In Stock
$428$428
$428$428
Lewis Machine & Tool
Lmt 5.56 Chrome Lined M4 Ar-15 Barrel With A2 Fsb - 10.5"
Caliber: 5.56 NATO
Gas System: Carbine
Length: 10.5
Twist: 1:7
Contour: M4
Caliber
5.56 NATO
Gas System
Carbine
Length
10.5
Twist
1:7
Contour
M4
In Stock
$452$452
$452$452
Lewis Machine & Tool
Lmt Mrp 5.56 Nato Chrome Lined Piston Ar-15 Barrel - 12"
Caliber: 5.56 NATO
Gas System: Carbine
Length: 16
Twist: 1:7
Caliber
5.56 NATO
Gas System
Carbine
Length
16
Twist
1:7
In Stock
$717$717
$717$717
Lewis Machine & Tool
Lmt Defense Mars H Piston 7.62X51MM 16 Barrel 1 20RD Magazine Rifle
Caliber: 7.62x51 NATO
Length: 16
Caliber
7.62x51 NATO
Length
16
In Stock
$3,394$3,394
$3,394$3,394
Lewis Machine & Tool
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL
Caliber: 5.56 NATO
Caliber
5.56 NATO
In Stock
$473$473
$473$473
Lewis Machine & Tool
LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 16" 1:7 Twist
Caliber: 5.56 NATO
Length: 16
Twist: 1:7
Caliber
5.56 NATO
Length
16
Twist
1:7
In Stock
$538$538
$538$538
Lewis Machine & Tool
LMT Defense MARS-L MRP 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Length: 16
Caliber
5.56 NATO
Length
16
In Stock
$2,702$2,702
$2,702$2,702
Lewis Machine & Tool
LMT Defense MWS .308 Lightweight Stainless Steel Barrel - 16”
Caliber: .308 Win
Length: 16
Contour: Lightweight
Caliber
.308 Win
Length
16
Contour
Lightweight
In Stock
$878$878
$878$878
Lewis Machine & Tool
LMT MRP Barrel Locking Screws - Pair
In Stock
$29$29
$29$29
Lewis Machine & Tool
Centurion Arms RECCE 5.56 NATO 1:7 R5 416R Stainless Steel Mid-Length Barrel
Caliber: 5.56 NATO
Length: Mid-Length
Twist: 1:7
Caliber
5.56 NATO
Length
Mid-Length
Twist
1:7
In Stock
$404$404
$404$404
Lewis Machine & Tool
LMT Defense MRP 5.56mm 14.5" Piston Barrel
Caliber: 5.56 NATO
Gas System: Pistol
Length: 14.5
Caliber
5.56 NATO
Gas System
Pistol
Length
14.5
In Stock
$717$717
$717$717
Lewis Machine & Tool
LMT Defense MWS .308 Lightweight Stainless Steel Barrel - 13.5”
Caliber: .308 Win
Length: 13.5
Caliber
.308 Win
Length
13.5
In Stock
$878$878
$878$878
Lewis Machine & Tool
LMT MWS .308 Chrome Lined Barrel - 16"
Caliber: .308 Win
Length: 16
Caliber
.308 Win
Length
16
In Stock
$646$646
$646$646
Lewis Machine & Tool
LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 16"
Caliber: 5.56 NATO
Length: 15
Caliber
5.56 NATO
Length
15
In Stock
$717$717
$717$717
Lewis Machine & Tool
LMT Defense MWS .308 Stainless Steel AR-10 Barrel - 20”
Caliber: .308 Win
Gas System: Rifle
Length: 20
Caliber
.308 Win
Gas System
Rifle
Length
20
In Stock
$878$878
$878$878
Lewis Machine & Tool
LMT Defense Barrel Straightness Gauge Stainless .308 Cal
Caliber: .308 Win
Caliber
.308 Win
In Stock
$203$203
$203$203
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