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 153 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
  • Buffer Tube: 1 product

Stock status: 74 in stock, 79 out of stock.

Lewis Machine & Tool logo

Lewis Machine & Tool

153
Products
10
Retailers
Best overall: Brownells
$16 – $3537
Price Range
Best value: Brownells
48%
In Stock
113 of 233 listings

Lewis Machine & Tool in September 2026

Lewis Machine & Tool ranked #19 of 323 brands on GunPartPicker in September 2026, just behind Sig Sauer, with about 1% of every part builders added. Up from #22 in July and August. Builders reached for Lewis Machine & Tool mostly for lower receiver parts. The most added single part was the LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver, on top again this month.

Upper receivers were the busiest Lewis Machine & Tool category in September: 8 products came back in stock, and demand for them rose about 28% on August. Demand for charging handles slipped about 38% on August. About 48% of the 153 Lewis Machine & Tool products we track are in stock today.

Also popular this month: LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiver, LMT Upper Receiver Assembly - AR-15 - M4 - Black Anodize, LMT Defense 5.56 F-A BOLT CARRIER GROUP - R-L7D3 and LMT Full Auto 5.56 Carrier with Enhanced Bolt.

All Lewis Machine & Tool monthly updates →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers

Lewis Machine & Tool products

About Lewis Machine & Tool

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.

Brand Overview

Products153
PositioningDuty / Professional
ManufacturingMade in USA
WarrantyLifetime Warranty
OwnershipVeteran-Owned
Established20+ Years
Price TierPremium
Price Range$16 – $3537
In Stock74 of 153 (48%)

Available At

Dirty Bird IndustriesPalmetto State ArmoryAR15 DiscountsMidwayUSABrownellsKY Gun CompanyPrimary ArmsGrabAGunBattleHawk ArmoryGuns.comSportsmans Outdoor Superstore

Customer Ratings & Reviews

No reviews yet for this brand.