SI Defense, Inc.
About Us
View Cart
My Account
Help / FAQ
Search:
AR-15
Complete AR-15 Rifles
Complete AR-15 Lower Assemblies
Complete AR-15 Upper Assemblies
AR-15 Matched Billet Receiver Sets
AR-15 Billet Lower Receivers
AR-15 Forged Lower Receivers
AR-15 Billet Upper Receivers
AR-15 Forged Upper Receivers
AR-15 Barrels
AR-15 Handguards
AR-15 Complete Buttstocks
AR-15 Gas Blocks
AR-15 Flash Suppressors/Compensators
AR-15 Triggers
AR-15 Lower Parts
AR-15 Upper Parts
.308/7.62 AR
Complete Rifles
Complete AR-308 Lower Assemblies
Complete AR-308 Upper Assemblies
AR-308 Matched Receiver Sets
AR-308 Lower Receivers
AR-308 Upper Receivers
AR-308 Hand Guards
Barrels
AR-308 Lower Parts
AR-308 Triggers
AR-308 Complete Buttstocks
AR-308 Gas Blocks
AR-308 Flash Suppressors/Compensators
AR-308 Upper Parts
Accessories
Bipods
Sights
Optics
Apparel
Montana Cinch
Large
Medium
Small
Join our mailing list!
You are here:
Home
>
Complete AR-15 Rifles
Sort By:
Price: Low to High
Price: High to Low
Most Popular
Title
Manufacturer
Newest
Oldest
10 per page
20 per page
40 per page
60 per page
100 per page
Page
of 1
SI Defense-PWS Billet Piston Carbine AR-15 Rifle
Our Price:
$1,988.00
SI Defense-PWS Billet Piston AR-15 Rifle
Primary Weapons Systems Diablo piston system with the SI Defense Generation II billet upper and matched billet lower receiver. The ultimate in reliability.
16” HBAR chrome-moly barrel chambered to .223 Wylde caliber, Generation II A3 billet 7075 upper receiver that features a removable picatinny rail, installed dust cover, carbine-length quad rail handguard with Tango Down® rail covers, matched 7075 aluminum billet lower receiver, 6-position adjustable stock, PWS FSC556 flash hider/compensator, Mil-spec bolt carrier group and aluminum charging handle.
OPTIONS
• 416 stainless steel barrel
• Graphite black Cerakote barrel coating
• M4 barrel contour
• FailZero bolt carrier group and charging handle
• SI Defense DRK compensator
• Magpul MIAD grip
• Hogue Grip
• Magpul CTR stock
• Choate 5-postion stock
• PWS CQB compensator
Additional options may increase shipping lead time, email for accurate shipping date.
This rifle must be shipped to an FFL holder.
SI Defense Model SI-C “223 Classic” AR-15 Carbine Rifle
Our Price:
$1,399.99
SI-C "223 Classic"
A classic AR-15! Features include a 16” HBAR chrome-moly barrel chambered to .223 Wylde, Generation II A3 billet 7075 upper receiver that features a removable picatinny rail, quad rail aluminum gas block, installed dust cover, customizable free float handguard, matched 7075 aluminum billet lower receiver, 6-position adjustable stock, SI DRK Compensator, Mil-spec bolt carrier group and aluminum charging handle. Each rifle is test fired to ensure function.
Rifle includes foam-lined hard case, cleaning kit and manual.
OPTIONS
• 416 stainless steel barrel
• Graphite black Cerakote barrel coating
• M4 barrel contour
• FailZero bolt carrier group and charging handle
• SI Defense DRK compensator
• Magpul MIAD grip
• Hogue Grip
• Magpul CTR stock
• Choate 5-postion stock
• PWS CQB compensator
Additional options may increase shipping lead time, email for accurate shipping date.
This rifle must be shipped to an FFL holder.
SI Defense Model SI-F “223 Classic” AR-15 Carbine Rifle
Our Price:
$1,259.99
SI-F "223 Classic"
A classic AR-15! Features include a 16” HBAR chrome-moly barrel chambered to .223 Wylde, forged 7075 upper receiver, quad rail aluminum gas block, installed dust cover and forward assist, customizable free float handguard, matched 7075 forged aluminum lower receiver, 6-position adjustable stock, YHM Phantom flash suppressor, Mil-spec bolt carrier group and aluminum charging handle. Each rifle is test fired to ensure function.
Rifle includes foam-lined hard case, Magpul Pmag, cleaning kit and manual.
OPTIONS
• 416 stainless steel barrel
• Graphite black Cerakote barrel coating
• M4 barrel contour
• FailZero bolt carrier group and charging handle
• SI Defense DRK compensator
• Magpul MIAD grip
• Hogue Grip
• Magpul CTR stock
• Choate 5-postion stock
• PWS CQB compensator
Additional options may increase shipping lead time, email for accurate shipping date.
This rifle must be shipped to an FFL holder.
SI Defense Model SI-F “223 Super Classic” AR-15 Rifle
Our Price:
$1,459.99
SI-F "223 Super Classic"
A classic AR-15! Features include a 20” HBAR chrome-moly barrel chambered to .223 Wylde, forged 7075 upper receiver, quad rail aluminum gas block, installed dust cover and forward assist, rifle-length customizable free float handguard, matched 7075 forged aluminum lower receiver, 6-position adjustable stock, YHM Phantom flash suppressor, Mil-spec bolt carrier group and aluminum charging handle. Each rifle is test fired to ensure function.
Rifle includes foam-lined hard case, Magpul Pmag, cleaning kit and manual.
OPTIONS
• 416 stainless steel barrel
• Graphite black Cerakote barrel coating
• M4 barrel contour
• FailZero bolt carrier group and charging handle
• SI Defense DRK compensator
• Magpul MIAD grip
• Hogue Grip
• Magpul CTR stock
• Choate 5-postion stock
• PWS CQB compensator
Additional options may increase shipping lead time, email for accurate shipping date.
This rifle must be shipped to an FFL holder.
SI Defense Model SI-F “223 FZRO” AR-15 Carbine Rifle
Our Price:
$1,399.99
SI-F "223 FZRO"
Why buy a boring rifle? The FZRO not only looks good, but is a great performing carbine. Features include a 16” HBAR chrome-moly barrel chambered to .223 Wylde, forged 7075 upper receiver, quad rail aluminum gas block, installed dust cover and forward assist, Magpul MOE handguard, forged 7075 forged aluminum lower receiver with FailZero nickel boron nitride coating featuring EXO technology, Magpul MOE 6-position adjustable stock, Magpul MOE grip and trigger guard, Mil-spec bolt carrier group and aluminum charging handle and an SI Defense DRK flash suppressor. Each rifle is test fired to ensure function.
Rifle includes foam-lined hard case, Magpul Pmag, cleaning kit and manual.
HANDGUARD/GRIP/BUTTSTOCK COLOR CHOICES
• OD Green
• Flat Dark Earth
• Black
• Foliage Green
OPTIONS
• 416 stainless steel barrel
• Graphite black Cerakote barrel coating
• M4 barrel contour
• FailZero bolt carrier group and charging handle
• FailZero coated upper receiver
Additional options may increase shipping lead time, email for accurate shipping date.
This rifle must be shipped to an FFL holder.
SI Defense Model SI-C “KOKALIS” AR-15 Carbine Rifle
Our Price:
$2,917.00
SI-C "Kokalis"
Just like the rifle featured in Shotgun News and featured by Peter Kokalis! We have upgraded that rifle to feature the new Generation II upper billet receiver. This carbine features all of the best parts!
Features include:
16” 416 Stainless steel
cut-rifled
barrel with the M4 contour and Cerakoted black, chambered to .223 Wylde, Generation II A3 billet 7075 upper receiver that features a removable picatinny rail, low-profile steel gas block, installed dust cover, GG&G 2-piece free float handguard, matched 7075 aluminum billet lower receiver, 6-position Magpul CTR adjustable stock, Magpul ASAP sling adapter (not shown in photo), Smith Vortex flash suppressor, Mil-spec bolt carrier group, Geissele Match Hi-Speed Trigger, Magpul MIAD grip and aluminum charging handle. Each rifle is test fired to ensure function.
Rifle includes foam-lined hard case, cleaning kit and manual.
OPTIONS
• FailZero bolt carrier group and charging handle
Additional options may increase shipping lead time, email for accurate shipping date.
This rifle must be shipped to an FFL holder.