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 has been in business for 20+ years.
Manufacturing origin: Made in USA.
Market positioning: Duty / Professional.
Lewis Machine & Tool has 150 products available on GunPartPicker, ranging from $15.99 to $3537.00.
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: 72 in stock, 78 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 - 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 Defender-L 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Gas System: Carbine
Length: 16
Caliber
5.56 NATO
Gas System
Carbine
Length
16
$1,975$1,975
In Stock$1,975$1,975
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 Mrp Ar-15 5.56 Nato Chrome Lined Barrel - 14.5"
Caliber: 5.56 NATO
Gas System: Mid-Length
Length: 11.5
Twist: 1:7
Caliber
5.56 NATO
Gas System
Mid-Length
Length
11.5
Twist
1:7
$554$554
In Stock$554$554
In Stock
Lewis Machine & Tool
LMT 5.56 Chrome Lined M4 AR-15 Barrel with A2 FSB - 14.5" 1:7 Twist
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
$16$16
In Stock$16$16
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
$538$538
In Stock$538$538
In StockLewis Machine & Tool
LMT Monolithic 5.56x45 NATO 20" Rifle Length BBL Black
Caliber: 5.56 NATO
Gas System: Rifle
Length: 20
Caliber
5.56 NATO
Gas System
Rifle
Length
20
$494$494
In Stock$494$494
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 StockLewis Machine & Tool
LMT Defense Monolithic 5.56 NATO 11.5 Carbine Length Black Barrel
Caliber: 5.56 NATO
Gas System: Carbine
Length: 11.5
Caliber
5.56 NATO
Gas System
Carbine
Length
11.5
$554$554
In Stock$554$554
In Stock
Lewis Machine & Tool
LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 14.5"
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 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
LMT Defense New Zealand Reference 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Length: 16
Caliber
5.56 NATO
Length
16
$3,537$3,537
In Stock$3,537$3,537
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 - 16"
Caliber: 5.56 NATO
Length: 15
Caliber
5.56 NATO
Length
15
In Stock
$717$717
$717$717
Lewis Machine & Tool
LMT Defense Defender-L 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Gas System: Carbine
Length: 16
Caliber
5.56 NATO
Gas System
Carbine
Length
16
In Stock
$1,975$1,975
$1,975$1,975
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 Mrp Ar-15 5.56 Nato Chrome Lined Barrel - 14.5"
Caliber: 5.56 NATO
Gas System: Mid-Length
Length: 11.5
Twist: 1:7
Caliber
5.56 NATO
Gas System
Mid-Length
Length
11.5
Twist
1:7
In Stock
$554$554
$554$554
Lewis Machine & Tool
LMT 5.56 Chrome Lined M4 AR-15 Barrel with A2 FSB - 14.5" 1:7 Twist
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
$16$16
$16$16
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
$538$538
$538$538
Lewis Machine & Tool
LMT Monolithic 5.56x45 NATO 20" Rifle Length BBL Black
Caliber: 5.56 NATO
Gas System: Rifle
Length: 20
Caliber
5.56 NATO
Gas System
Rifle
Length
20
In Stock
$494$494
$494$494
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 Monolithic 5.56 NATO 11.5 Carbine Length Black Barrel
Caliber: 5.56 NATO
Gas System: Carbine
Length: 11.5
Caliber
5.56 NATO
Gas System
Carbine
Length
11.5
In Stock
$554$554
$554$554
Lewis Machine & Tool
LMT MRP 5.56 NATO Chrome Lined Piston AR-15 Barrel - 14.5"
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 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
LMT Defense New Zealand Reference 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Length: 16
Caliber
5.56 NATO
Length
16
In Stock
$3,537$3,537
$3,537$3,537
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