ArmsAgora logo Loadout Loadout

Results for "Mil-Spec Lower"

3,176 products found across 100 retailers

Fortis Billet Magazine Catch Only Black - Fortis Manufacturing
MSRP
Fortis Manufacturing
Fortis Billet Magazine Catch Only Black
$12.88
● Availability Unknown
Chiappa Firearms M4-22 Complete Upper .22 LR 16 Barrel 10-Rounds 2 Magazines - Chiappa Firearms
Chiappa Firearms
Chiappa Firearms M4-22 Complete Upper .22 LR 16 Barrel 10-Rounds 2 Magazines
$227.08
● Out of Stock
Chiappa Firearms G2 PRO UPR 22LR 16-inch 10RD 7.8 - Chiappa Firearms
Chiappa Firearms
Chiappa Firearms G2 PRO UPR 22LR 16-inch 10RD 7.8
$302.28
● Out of Stock
Maxim Defense MDX 510 AR-15 Complete Upper Receiver 300 AAC Blackout 10.3" Barrel Black - Maxim Defense
MSRP
Maxim Defense
Maxim Defense MDX 510 AR-15 Complete Upper Receiver 300 AAC Blackout 10.3" Barrel Black
$1,255.5
● In Stock
Maxim Defense MDX 510 AR-15 Complete Upper Receiver 300 AAC Blackout 10.3" Barrel Arid - Maxim Defense
MSRP
Maxim Defense
Maxim Defense MDX 510 AR-15 Complete Upper Receiver 300 AAC Blackout 10.3" Barrel Arid
$1,255.5
● In Stock
CHARLES DALY AR 410 UPPER 19" BBL - Charles Daly Chiappa
Charles Daly Chiappa
CHARLES DALY AR 410 UPPER 19" BBL
$326.16
● Out of Stock
Fortis Magazine Release Button Only - Grey - Dirty Bird Industries
▼ 5%
Dirty Bird Industries
Fortis Magazine Release Button Only - Grey
$7.55 $7.95
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 450 Bushmaster 20" Chrome Moly Barrel 15" Handguard Black - Rock River Arms
▼ 8%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 450 Bushmaster 20" Chrome Moly Barrel 15" Handguard Black
$649.99 $704.99
● Availability Unknown
Rock River Arms AR-15 RRAGE Complete Upper Receiver 5.56x45 NATO 7" Chrome Moly Barrel M-LOK Handguard Black - Rock River Arms
▼ 6%
Rock River Arms
Rock River Arms AR-15 RRAGE Complete Upper Receiver 5.56x45 NATO 7" Chrome Moly Barrel M-LOK Handguard Black
$402.99 $429.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black - Rock River Arms
▼ 4%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black
$609.99 $635.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 22 Long Rifle 20" Stainless Steel Barrel 13" Handguard Black - Rock River Arms
▼ 2%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 22 Long Rifle 20" Stainless Steel Barrel 13" Handguard Black
$599.99 $610
● Availability Unknown
Rock River Arms A4 CMP Trainer AR-14 Complete Upper Receiver 22 Long Rifle 20" Barrel - Rock River Arms
▼ 3%
Rock River Arms
Rock River Arms A4 CMP Trainer AR-14 Complete Upper Receiver 22 Long Rifle 20" Barrel
$659.99 $680
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard Black - Rock River Arms
▼ 13%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard Black
$666.75 $765.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard with A2 Front Sight Black - Rock River Arms
MSRP
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard with A2 Front Sight Black
$715.25
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel with Gas Block - Rock River Arms
▼ 6%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel with Gas Block
$439.99 $469.99
● Availability Unknown
Rock River Arms AR-15 Fred Eichler Series Predator Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 14" Handguard Black - Rock River Arms
MSRP
Rock River Arms
Rock River Arms AR-15 Fred Eichler Series Predator Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 14" Handguard Black
$679.25
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel Mid-Length Gas System A2 Front Sight - Rock River Arms
▼ 10%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel Mid-Length Gas System A2 Front Sight
$559.49 $620
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 20" Barrel A2 Front Sight - Rock River Arms
▼ 10%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 20" Barrel A2 Front Sight
$689.99 $763.99
● Availability Unknown
Rock River Arms AR-15 A2 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 14" Handguard Black - Rock River Arms
▼ 6%
Rock River Arms
Rock River Arms AR-15 A2 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 14" Handguard Black
$829.99 $883.99
● Availability Unknown
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" Handguard Black - Rock River Arms
▼ 5%
Rock River Arms
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" Handguard Black
$729.99 $764.99
● Availability Unknown
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" M-LOK Handguard Black - Rock River Arms
▼ 6%
Rock River Arms
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" M-LOK Handguard Black
$659.99 $704.99
● Availability Unknown
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black - Rock River Arms
▼ 5%
Rock River Arms
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black
$619.99 $649.99
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel 11" M-LOK Handguard - Rock River Arms
▼ 9%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel 11" M-LOK Handguard
$609.99 $668.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 20" Chrome Moly Barrel 14" Handguard Black - Rock River Arms
▼ 2%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 20" Chrome Moly Barrel 14" Handguard Black
$479.99 $491.99
● Availability Unknown

Related Searches

Sig Sauer dealsRuger dealsDaniel Defense dealsPistolsGunsRifles
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

Shop
Categories Brands Retailers Search
Account
My Armory Loadouts Saved Items
Company
Trusted Retailer Privacy Policy Terms
© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.