Lewis Machine & Tool AR-15 Parts & Accessories
Lewis Machine & Tool, now LMT Defense, is an Iowa company that Karl Lewis started in 1980 and that builds rifles for militaries around the world. AR builders know it for its MRP monolithic uppers and its enhanced bolt.
Lewis Machine & Tool was established in 1980.
Manufacturing origin: Made in USA.
Market positioning: Duty / Professional.
Lewis Machine & Tool has 154 products available on GunPartPicker, ranging from $15.99 to $3537.00.
Lewis Machine & Tool Product Categories
- Barrel: 31 products
- Bolt Carrier Group: 20 products
- Upper Receiver: 18 products
- Lower Receiver: 18 products
- Charging Handle: 9 products
- Complete Rifle: 7 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
- Magazine Release: 3 products
- End Plate: 2 products
- Buffer Tube Assembly: 2 products
- Gas Tube: 1 product
- Castle Nut: 1 product
- Iron Sights: 1 product
- Buffer Tube: 1 product
Stock status: 71 in stock, 83 out of stock.
1-16 of 31 results
1-16 of 31 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 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 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
$538$538
In Stock$538$538
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
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 MARS-L MRP 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Length: 16
Caliber
5.56 NATO
Length
16
$2,623$2,623
In Stock$2,623$2,623
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 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 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 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 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 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
$538$538
$538$538
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
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 MARS-L MRP 5.56 16" Barrel 30-Rounds
Caliber: 5.56 NATO
Length: 16
Caliber
5.56 NATO
Length
16
In Stock
$2,623$2,623
$2,623$2,623
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 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
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
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