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.

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Lewis Machine & Tool

Lmt Mars-L Ambidextrous Ar-15 Stripped Lower Receiver

Lewis Machine & Tool

Lmt Mars-L Ambidextrous Ar-15 Stripped Lower Receiver

4.3 (3 reviews)
Platform: AR-15
Trigger Pin: .154
Finish: Hardcoat Anodized
$321
Currently Available
Lmt Mars-Ls Pdw Complete Ambidextrous Ar-15 Lower Receiver

Lewis Machine & Tool

Lmt Mars-Ls Pdw Complete Ambidextrous Ar-15 Lower Receiver

5.0 (3 reviews)
Platform: AR-15
Trigger Pin: .154
Finish: Hardcoat Anodized
$1,020
Currently Available
Lmt Mars-Ls Complete Ambidextrous Ar-15 Lower Receiver

Lewis Machine & Tool

Lmt Mars-Ls Complete Ambidextrous Ar-15 Lower Receiver

Platform: AR-15
Caliber: Multi
Trigger Pin: .154
Finish: Hardcoat Anodized
$817
Currently Available
AR-15 COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER SOPMOD STOCK

Lewis Machine & Tool

AR-15 COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER SOPMOD STOCK

Platform: AR-15
$525
Currently Available
Mars-H Sopmod Complete Lower Receiver - Mars-H Sopmod 7.62mm Winter Guard Complete Lower Receiver

Lewis Machine & Tool

Mars-H Sopmod Complete Lower Receiver - Mars-H Sopmod 7.62mm Winter Guard Complete Lower Receiver

Platform: AR-15
Caliber: 6.5 Creedmoor
$1,307
Currently Available
Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver

Lewis Machine & Tool

Mars-H Stripped Lower Receiver - Mars-H 260 Rem/6.5 Cm/7.62 Nato Stripped Lower Receiver

Platform: AR-15
Caliber: .308 Win
$529
Currently Available
LMT MWS .308 Stripped Lower Receiver

Lewis Machine & Tool

LMT MWS .308 Stripped Lower Receiver

Platform: AR-10
Caliber: .308 Win
$306
Currently Unavailable
Lmt Defender Ar-15 Stripped Lower Receiver

Lewis Machine & Tool

Lmt Defender Ar-15 Stripped Lower Receiver

Platform: AR-15
Trigger Pin: .154
Finish: Hardcoat Anodized
$162
Currently Unavailable
LMT MARS-L DMR Complete AR-15 Lower Receiver  - 2 Stage Trigger

Lewis Machine & Tool

LMT MARS-L DMR Complete AR-15 Lower Receiver - 2 Stage Trigger

Platform: AR-15
Caliber: Multi
$1,020
Currently Unavailable
Lmt Defender A2 Complete Ar-15 Lower Receiver

Lewis Machine & Tool

Lmt Defender A2 Complete Ar-15 Lower Receiver

Platform: AR-15
Trigger Pin: .154
Finish: Hardcoat Anodized
$347
Currently Unavailable
Mars-H Sopmod Complete Lower Receiver - Defender 7.62mm Standard Guard Complete Lower Receiver

Lewis Machine & Tool

Mars-H Sopmod Complete Lower Receiver - Defender 7.62mm Standard Guard Complete Lower Receiver

Platform: AR-15
Caliber: .308 Win
$1,043
Currently Unavailable
Lmt Mars-Ls Complete Ambidextrous Ar-15 Lower Receiver - Sl-K

Lewis Machine & Tool

Lmt Mars-Ls Complete Ambidextrous Ar-15 Lower Receiver - Sl-K

Platform: AR-15
Trigger Pin: .154
Finish: Hardcoat Anodized
Price N/A
Currently Unavailable
MARS-L SOPMOD COMPLETE LOWER RECEIVER

Lewis Machine & Tool

MARS-L SOPMOD COMPLETE LOWER RECEIVER

Platform: AR-15
Caliber: Multi
Price N/A
Currently Unavailable
Lmt Defense Mars H Dmr Multi Cal Complete Lower Receiver

Lewis Machine & Tool

Lmt Defense Mars H Dmr Multi Cal Complete Lower Receiver

Platform: AR-15
Caliber: Multi
Finish: Hardcoat Anodized
$1,366
Currently Unavailable
Lmt Mars Ambidextrous Complete Ar-15 Lower Receiver - Titanium

Lewis Machine & Tool

Lmt Mars Ambidextrous Complete Ar-15 Lower Receiver - Titanium

Platform: AR-15
Trigger Pin: .154
Finish: Cerakote
Price N/A
Currently Unavailable
LMT Semi Auto MARS-H DMR AR 308 Complete Lower

Lewis Machine & Tool

LMT Semi Auto MARS-H DMR AR 308 Complete Lower

Platform: AR-15
Caliber: .308 Win
Finish: Hardcoat Anodized
Price N/A
Currently Unavailable
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