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.
Lewis Machine & Tool in August 2026
Lewis Machine & Tool ranked #22 of 319 brands on GunPartPicker in August 2026, just behind Phase 5 Weapon Systems, with about 1% of every part builders added. That's its 2nd straight month at #22. 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 August: 12 products came back in stock, several more than once. About 48% of the 150 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 Defense 5.56 F-A BOLT CARRIER GROUP - R-L7D3, LMT Upper Receiver Assembly - AR-15 - M4 - Black Anodize and AMBIDEXTROUS 5.56MM CHARGING HANDLE.
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Lewis Machine & Tool products
Lmt Mars-L Ambidextrous Ar-15 Stripped Lower Receiver$320.99In stock
Lmt Mars-Ls Pdw Complete Ambidextrous Ar-15 Lower Receiver$1019.70In stock
Lmt Mars-Ls Complete Ambidextrous Ar-15 Lower Receiver$816.99In stock
Lmt Shovelnose Mrp-L M-Lok Ar-15 Upper Receiver - 11.5"$940.50In stock
Lmt M16 / Ar-15 Bolt Carrier Group 5.56/.223$224.10In stock
Mrp-L M-Lok Specwar 5.56mm Assembled Upper Receiver - Mrp-L M-Lok Specwar 5.56mm 11.5'''' Assembled Upper Receiver$758.99In stock
Lmt Tactical Ar-15 Charging Handle - 5.56$80.10In stock
LMT Upper Receiver Assembly - AR-15 - M4 - Black Anodize$211.50In stock
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
Available At
What Builders Choose
Based on real buildsTop Lewis Machine & Tool products builders are adding
Lmt Mars-Ls Pdw Complete Ambidextrous Ar-15 Lower Receiver
Lmt Piston Full Auto 5.56 Ar-15 Bolt Carrier Group
LMT Upper Receiver Assembly - AR-15 - M4 - Black Anodize
AMBIDEXTROUS 5.56MM CHARGING HANDLE
LMT Winter Trigger Guard
LMT AR-15 Buffer Kit - MIL-SPEC
Customer Ratings & Reviews
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