Quick Answer
What is the SA-15 Folding 16" PRO Rifle? A premium complete folding AR-15 rifle built on Shield Arms' patented Folding Lower Receiver. No adapter required - revolutionary folding mechanism integrated into the receiver. Features 16" nitride barrel, ALG Advanced Combat Trigger, Radian controls, B5 Systems furniture, and adjustable gas block. Folds for compact storage while maintaining full-size rifle performance. Ships with two 30-round Magpul PMAGs and Mountain Partisan Sling.
- Complete Premium Rifle: Everything included - ready to shoot out of the box with premium components
- No Adapter Needed: Patented FLR integrates folding directly into receiver - lighter, stronger, more compact
- FFL Required: Ships to your local FFL dealer (7-10 day processing due to custom Cerakote)
Premium Folding AR-15 Rifle - No Compromise Performance
The Shield Arms SA-15 Folding 16" PRO Rifle represents the pinnacle of folding AR-15 design. Built on the revolutionary patented Folding Lower Receiver (FLR), this complete rifle eliminates the need for bulky folding adapters while delivering premium components throughout. The result is a lighter, more compact, stronger folding rifle that doesn't sacrifice performance.
Unlike traditional folding AR-15 rifles that require expensive aftermarket adapters, the SA-15 PRO integrates the folding mechanism directly into the receiver design. Combined with hand-selected premium components from industry leaders like ALG, Radian, and B5 Systems, this rifle delivers exceptional accuracy, reliability, and handling in a platform that folds for convenient storage and transport.
Perfect for: Serious shooters who demand premium quality, hunters needing compact transport, vehicle/truck guns, home defense, range use, and anyone who wants a complete folding AR-15 without building from scratch.
Premium Components - PRO-Grade Build Quality
Patented Folding Lower Receiver
- No adapter required - folding mechanism integrated into receiver design
- Lighter than adapter systems - eliminates .5 lbs of external hardware
- Shorter folded length - more compact than traditional folding adapters
- Stronger design - 7075-T6 billet aluminum construction throughout
- Carrier unmodified - works with standard M16 bolt carrier group (included)
- Robust folding mechanism - designed for thousands of folding cycles
- Quick deployment - unfolds and locks in seconds when needed
Premium Billet Receivers
- Upper & Lower: 7075-T6 billet aluminum - aerospace-grade strength
- Precision machined - tighter tolerances than forged receivers
- Enhanced aesthetics - clean lines and modern appearance
- Perfect fit - matched set for zero wobble
- Custom Cerakote - applied in-house, each rifle unique
Match-Grade Barrel System
- Length: 16" - full rifle velocity without NFA registration
- Chamber: 5.56 NATO - shoots both 5.56 and .223 Remington
- Material: 4150 Chrome Moly Vanadium steel
- Finish: QPQ Black Nitride - exceptional corrosion resistance and hardness
- Gas System: Mid-length - smoother recoil, reduced wear
- Twist Rate: 1:7 RH - stabilizes 55gr to 77gr+ bullets
- Stress Relieved: After rifling for enhanced accuracy and barrel life
- Extension: M4 feed ramps for reliable feeding
- Gas Port: .076" properly sized for reliable cycling
- Threading: Standard 1/2x28 TPI (suppressor/muzzle device compatible)
Premium Bolt Carrier Group
- Carrier: 8620 steel M16 profile (full-auto rated)
- Bolt: 9310 steel for 5.56/.223 - superior strength
- Finish: Black nitride coating - low friction, corrosion resistant
- Shot peened - increased fatigue resistance
- Magnetic particle inspected - quality control for critical components
- Properly staked - gas key staked to mil-spec standards
ALG Advanced Combat Trigger
- Hardlube Coating - optimized for durability and corrosion resistance
- Crisp, clean break - consistent pull weight and reset
- Enhanced accuracy - superior to mil-spec triggers
- Reliability - proven in duty and competition use
- Drop-in design - professionally installed and tested
Radian Premium Controls
- Radian Ambidextrous Safety Selector - 90° or 45° throw options, works for left or right-handed shooters
- Radian Raptor Charging Handle - ambidextrous operation, smooth racking, enhanced grip surface
- Professional grade - components trusted by military and law enforcement
B5 Systems Furniture
- B5 Systems Bravo Stock - enhanced cheek weld, superior lockup, QD sling mount
- B5 Systems Type 22 P-GRIP - comfortable ergonomics, textured surface, reduced angle
- Mil-Spec carbine buffer tube - standard compatibility
- Quality components - no rattle, solid feel
Additional Premium Components
- Shield Arms 15" M-LOK Handguard - free-floating, lightweight, ample accessory mounting
- Shield Arms Adjustable Gas Block - tune for suppressed or unsuppressed use, optimize cycling
- A2 Flash Hider - reduces muzzle flash, standard 1/2x28 threading for upgrades
- Mil-Spec End Plate & Castle Nut - properly staked for security
Included Accessories
- (2) Magpul PMAG Gen 2 30-round magazines - industry-standard reliability
- Mountain Partisan Sling - designed by former Green Beret, premium quality
Technical Specifications
| Model |
SA-15 Folding 16" PRO Rifle |
| Caliber |
5.56 NATO (also shoots .223 Remington) |
| Upper Receiver |
7075-T6 Billet Aluminum |
| Lower Receiver |
Shield Arms SA-15 Folding Lower Receiver (7075-T6 Billet) |
| Folding Mechanism |
Patented integrated design (no adapter) |
| Barrel Length |
16 inches |
| Barrel Material |
4150 Chrome Moly Vanadium |
| Barrel Finish |
QPQ Black Nitride |
| Barrel Treatment |
Stress relieved after rifling |
| Chamber |
5.56 NATO |
| Twist Rate |
1:7 RH (right-hand) |
| Gas System |
Mid-length |
| Gas Port Size |
.076 inches |
| Gas Block |
Shield Arms Adjustable |
| Barrel Extension |
M4 feed ramps |
| Threading |
1/2x28 TPI |
| Muzzle Device |
A2 Flash Hider |
| Bolt Carrier Group |
M16 profile, black nitride finish |
| Bolt Material |
9310 steel |
| Carrier Material |
8620 steel |
| BCG Treatment |
Shot peened, magnetic particle inspected |
| Handguard |
Shield Arms 15" M-LOK (free-floating) |
| Trigger |
ALG Advanced Combat Trigger |
| Safety Selector |
Radian Ambidextrous |
| Charging Handle |
Radian Raptor (Ambidextrous) |
| Pistol Grip |
B5 Systems Type 22 P-GRIP |
| Stock |
B5 Systems Bravo |
| Buffer Tube |
Mil-Spec carbine length |
| End Plate & Castle Nut |
Mil-Spec (properly staked) |
| Weight (Empty) |
6 lbs 10 oz |
| Overall Length (Extended) |
Approximately 33-36" (stock dependent) |
| Overall Length (Folded) |
Approximately 24-26" (significantly more compact) |
| Included Magazines |
(2) Magpul PMAG Gen 2 30-round |
| Included Sling |
Mountain Partisan Sling |
| Finish Options |
Fallout, Montana Mud, Pineland (custom in-house Cerakote) |
| FFL Required |
Yes |
| Warranty |
100% Lifetime |
| Made In |
USA (Montana) |
Custom Cerakote Finish Options
All Cerakote finishing is done in-house at Shield Arms. Each rifle is truly custom - no two are exactly alike!
Available Finish Options
Anodized Black - Classic matte black anodized aluminum.
Fallout - Custom distressed pattern inspired by post-apocalyptic aesthetics. Unique worn appearance with character and depth. Each rifle has a one-of-a-kind pattern. Perfect for tactical/battle-worn look enthusiasts and those who want a rifle with personality.
Montana Mud - Earth-tone camouflage pattern featuring browns, tans, and grays. Excellent for hunters and outdoor use. Blends naturally with wilderness environments from high plains to mountain forests. Rugged, field-ready appearance.
Pineland - Military-inspired green and brown camouflage pattern. Named after the fictional location used in Special Forces training. Tactical aesthetic with outdoor versatility. Perfect for those who appreciate military heritage and field performance.
Important Notes:
- All patterns are hand-applied - expect natural variation between rifles
- Custom finishes add unique character to each firearm
- Each rifle is truly one-of-a-kind
- Select your preferred finish during checkout
- Cerakote provides superior corrosion and wear resistance
- Custom finishing adds 7-10 days to processing time
Why Choose SA-15 PRO Over Other Folding AR-15 Rifles?
| Feature |
SA-15 PRO Rifle |
Traditional Folding AR-15 |
| Folding Mechanism |
Integrated into receiver (patented) |
External adapter required ($200-400) |
| Weight |
6 lbs 10 oz (lighter - no adapter) |
7-7.5 lbs (adapter adds weight) |
| Folded Length |
24-26" (more compact) |
27-30" (adapter adds length) |
| Bolt Carrier |
Unmodified M16 BCG included |
Often requires modified carrier |
| Trigger |
ALG Advanced Combat Trigger (premium) |
Often mil-spec or basic upgrade |
| Controls |
Radian Raptor CH + Radian Safety |
Often basic mil-spec controls |
| Gas Block |
Adjustable (suppressor-ready tuning) |
Often fixed gas block |
| Barrel |
Nitride, stress-relieved, 1:7 twist |
Varies (often standard profile) |
| Furniture |
B5 Systems (Bravo stock, Type 22 grip) |
Often basic mil-spec furniture |
| Construction |
7075-T6 billet upper and lower |
Often forged receivers |
| Included Accessories |
2 PMAGs + Mountain Partisan Sling |
Often no magazines or sling |
| Made In |
USA (Montana) |
Varies |
Performance Advantages
Mid-Length Gas System Benefits
The 16" barrel with mid-length gas system provides significant advantages over carbine-length systems:
- Reduced recoil impulse - smoother shooting, faster follow-up shots
- Less wear on parts - reduced bolt velocity extends component life
- Improved reliability - more consistent pressure curve
- Reduced muzzle blast - gas system positioned farther forward
- Enhanced accuracy potential - reduced barrel harmonics disruption
Adjustable Gas Block Advantages
The included adjustable gas block provides tuning capability:
- Suppressed shooting optimization - reduce gas blowback when using suppressor
- Ammunition tuning - adjust for different loads and bullet weights
- Environmental adaptability - compensate for extreme temperatures
- Reduced recoil - fine-tune for softest shooting while maintaining reliability
- Extended component life - reduce overgassing and associated wear
1:7 Twist Rate Versatility
- Stabilizes 55gr to 77gr+ bullets - maximum ammunition flexibility
- Optimal for 62gr M855 - most common 5.56 NATO loading
- Excellent with 69-77gr match - precision shooting capability
- Heavy bullet ready - handles 80gr+ for long-range work
Use Cases & Applications
Perfect For:
Vehicle / Truck Gun - Folding capability provides compact storage in vehicles without sacrificing full-size rifle performance. Quick deployment when needed. Premium components ensure reliability in defensive scenarios.
Home Defense - Full 16" barrel provides maximum 5.56 NATO effectiveness while maintaining maneuverability indoors. Adjustable gas block allows suppressor tuning for hearing-safe home defense. Compact storage when folded.
Hunting - Folding design excellent for ATV/UTV transport and compact storage while hunting. Mid-length gas system and 1:7 twist optimize performance with hunting loads. Montana Mud or Pineland finishes blend with wilderness environments.
Backpack / Get Home Rifle - Folds for compact carry in backpacks or emergency bags. Premium components ensure reliability in critical situations. Lightweight at 6 lbs 10 oz for extended carry.
Range / Training - Premium trigger, smooth recoil, and excellent accuracy make this ideal for high-volume practice. Adjustable gas block allows tuning for optimal performance. Affordable 5.56/.223 ammunition.
Competition - ALG trigger, lightweight construction, and premium controls competitive in 3-Gun and other rifle divisions. Adjustable gas block allows optimization for specific loads.
Suppressor Host - Adjustable gas block essential for suppressed shooting. Threaded barrel ready for any 5.56 suppressor. Mid-length gas system provides smooth cycling suppressed or unsuppressed.
General Purpose Rifle - Premium components and versatile 16" barrel make this the do-everything AR-15. Folding capability adds convenience without compromise. Complete and ready for any task.
FFL Transfer & Shipping Information
The SA-15 Folding 16" PRO Rifle is a rifle and requires transfer through a Federal Firearms Licensed (FFL) dealer.
Shipping Timeline
Important: Due to high demand, custom Cerakote finishing, and FFL processing requirements, shipping may take 7-10 business days after your order is placed and FFL documentation is received.
How FFL Transfer Works
- Place Your Order: Purchase the SA-15 PRO Rifle and select your preferred Cerakote finish
- Select Your FFL: Choose your preferred local FFL dealer during checkout
- FFL Documentation: Your chosen FFL will send their license to Shield Arms
- Processing & Shipping: Shield Arms applies custom Cerakote and ships to your FFL (7-10 days)
- Pickup: Visit your FFL to complete ATF Form 4473 background check and take possession
Important Requirements
- Must be 18+ years old to purchase a rifle
- Must comply with all federal, state, and local firearms laws
- Your FFL may charge a transfer fee (typically $25-50)
- Cannot be shipped to prohibited states/localities - check your local laws
- Some states have magazine capacity restrictions (rifle ships with two 30-round magazines)
- Verify your state allows folding stocks on rifles
Need help finding an FFL? Shield Arms can assist you in locating an FFL dealer near you. Contact customer service after placing your order.
Recommended Upgrades & Accessories
Optics
- Red Dot Sights: Aimpoint PRO, Holosun 510C, SIG Romeo5
- Low-Power Variable Optics: Vortex Strike Eagle 1-6x, Primary Arms 1-8x
- Holographic Sights: EOTech EXPS3, Vortex UH-1
- Backup Sights: Magpul MBUS Pro, Troy folding sights
Lights & Lasers
- Weapon Lights: Streamlight ProTac, SureFire Scout, Modlite PLHv2
- Laser/Light Combos: Steiner DBAL series, ATPIAL
- Pressure Switches: Cloud Defensive, SureFire, Modlite
Suppressors
- Popular 5.56 Cans: SilencerCo Saker, SureFire RC2, Dead Air Sandman
- Budget Options: YHM Turbo, Sig SRD556
- Premium Options: OSS HX-QD, CGS Helios
- Remember: Adjust gas block when running suppressed
Sling Upgrades
- Two-Point Slings: Additional Mountain Partisan Slings, Magpul MS4, Viking Tactics VTAC
- Single-Point: Magpul MS3, Blue Force Gear Vickers
M-LOK Accessories
- Vertical Grips: BCM Gunfighter, Magpul MVG
- Hand Stops: Railscales, Emissary Development
- Rail Sections: Magpul M-LOK rail sections for accessories
Muzzle Device Upgrades
- Muzzle Brakes: VG6 Gamma, Precision Armament M4-72
- Compensators: SJC Titan, PWS FSC556
- Flash Hiders: SureFire 3-prong, AAC Blackout
- Suppressor Mounts: Dead Air KeyMo, Q Plan B, SilencerCo ASR
Frequently Asked Questions
Is this rifle ready to shoot out of the box?
Yes! The SA-15 PRO arrives as a complete rifle with everything needed except ammunition and an optic (iron sights not included). It includes two 30-round Magpul PMAGs and a Mountain Partisan Sling. Simply add an optic or backup sights, verify zero, and you're ready to shoot.
Can I fire the rifle while folded?
No. Like all folding AR-15 platforms, the SA-15 cannot be fired while folded. The folding mechanism is designed for compact storage and transport only. You must unfold and lock the receiver before firing. The folding mechanism is quick to deploy - simply unfold and it locks securely.
Do I need a modified bolt carrier group?
No! Unlike most folding adapter systems, the SA-15 works with standard, unmodified M16 bolt carrier groups. The folding mechanism is built into the receiver, not the carrier. Your rifle comes with a premium black nitride M16 BCG that's shot peened and magnetic particle inspected - no modifications needed.
How compact is the rifle when folded?
The SA-15 PRO folds to approximately 24-26 inches in overall length - significantly more compact than traditional folding adapter systems which typically fold to 27-30 inches. This makes it easier to store in vehicles, backpacks, or compact storage spaces while maintaining full 16" barrel performance.
Why choose mid-length gas over carbine-length?
The mid-length gas system provides several advantages: smoother recoil impulse, reduced wear on parts, improved reliability, less muzzle blast, and enhanced accuracy potential. On a 16" barrel, mid-length is widely considered the optimal gas system length for balancing performance and longevity.
Can I use this rifle with a suppressor?
Absolutely. The rifle is suppressor-ready with standard 1/2x28 threading. The included adjustable gas block is essential for suppressed shooting - you can reduce gas flow to minimize blowback when using a suppressor. Simply remove the A2 flash hider and install your suppressor. The mid-length gas system provides excellent suppressed performance.
How do I adjust the gas block?
The Shield Arms adjustable gas block typically has a set screw that controls gas flow. Detailed instructions included with rifle.
What ammunition should I use?
The 5.56 NATO chamber safely shoots both 5.56 NATO and .223 Remington ammunition. The 1:7 twist rate stabilizes bullets from 55gr to 77gr+. For general use, any quality 55gr or 62gr FMJ works great. For defensive use, consider 62-75gr bonded or barrier-blind ammunition. For match shooting, try 69-77gr match bullets. The adjustable gas block allows tuning for different loads.
Is the ALG trigger really worth it?
Yes. The ALG Advanced Combat Trigger provides significantly better performance than mil-spec triggers. You'll notice a crisper break, cleaner reset, and more consistent pull weight. This translates to better accuracy and faster follow-up shots. It's one of the standout features that makes the PRO model worth the investment.
Can I add backup iron sights?
Yes. The flat-top Picatinny rail accepts any standard AR-15 backup sights. Popular choices include Magpul MBUS Pro, Troy folding sights, or Daniel Defense fixed sights. You'll want to co-witness with your optic or use flip-up sights that fold down when not needed.
What's the difference between the PRO model and the standard SA-15?
The PRO model includes premium components throughout: ALG Advanced Combat Trigger (vs. standard trigger), Radian Raptor charging handle and Radian safety selector (vs. mil-spec controls), B5 Systems furniture (vs. basic furniture), adjustable gas block (vs. fixed), and premium BCG with shot peening and magnetic particle inspection. It's the complete premium package.
How much does the rifle weigh fully loaded?
Empty weight is 6 lbs 10 oz. Add approximately 1 lb for a loaded 30-round magazine, plus the weight of your optic (typically 4-12 oz). Fully loaded with optic, expect around 8-9 lbs total - still very manageable and lighter than many folding AR-15 rifles with adapters.
Does the custom Cerakote affect delivery time?
Yes. Because each rifle is custom Cerakoted in-house and truly unique, processing time is 7-10 business days. This ensures your rifle receives proper finishing and quality control before shipment. The result is a one-of-a-kind rifle with superior corrosion resistance and wear protection.
What is the warranty on this rifle?
Shield Arms backs the SA-15 Folding 16" PRO Rifle with a 100% Lifetime Warranty against manufacturing defects. If you experience any issues with materials or workmanship, Shield Arms will repair or replace it free of charge. This covers all Shield Arms components including the receivers, folding mechanism, handguard, and gas block.
Can I upgrade components later?
Absolutely. The SA-15 uses standard AR-15 parts, so you can upgrade virtually any component: trigger, stock, grip, charging handle, muzzle device, optics, etc. The 15" M-LOK handguard provides ample mounting space for lights, lasers, grips, and other accessories. It's a fully modular platform.
Who Should Buy the SA-15 PRO Rifle?
- Serious Shooters - Demand premium components and won't settle for basic mil-spec parts
- Vehicle Gun Owners - Need compact folding rifle for truck/car storage without compromise
- Home Defenders - Want full-size rifle performance with compact storage capability
- Hunters - Appreciate folding design for ATV/UTV transport and field use
- Suppressor Enthusiasts - Adjustable gas block essential for optimized suppressed shooting
- Competition Shooters - Premium trigger and lightweight construction competitive in 3-Gun and other formats
- Preppers & Survivalists - Want reliable, compact get-home rifle they can trust
- Range Enthusiasts - Appreciate smooth shooting, accuracy, and premium feel
- First-Time AR Buyers - Want complete premium rifle without building from scratch
- Collectors - Appreciate patented technology and unique custom Cerakote finishes
- Law Enforcement - Need compact vehicle rifle with duty-grade components
- Quality-Conscious Buyers - Value American manufacturing, billet construction, and lifetime warranty
Summary: Is the SA-15 PRO Rifle Right for You?
The Shield Arms SA-15 Folding 16" PRO Rifle represents the perfect combination of innovation, premium components, and practical design. Built on the revolutionary patented Folding Lower Receiver, this complete rifle eliminates bulky adapters while delivering hand-selected premium parts throughout.
Key Advantages:
- Patented folding receiver - no adapter needed, lighter and more compact
- Premium components: ALG trigger, Radian controls, B5 Systems furniture
- 16" nitride barrel with mid-length gas system - smooth shooting, reduced wear
- Adjustable gas block - essential for suppressed shooting and tuning
- 7075-T6 billet receivers - superior to forged construction
- M16 BCG included - shot peened, magnetic particle inspected, properly staked
- Complete and ready - includes 2 PMAGs and Mountain Partisan Sling
- Custom in-house Cerakote - four unique finish options
- Lightweight at 6 lbs 10 oz - easier to carry and maneuver
- Made in USA with lifetime warranty
Perfect for: Serious shooters who want a complete premium folding AR-15 without the hassle of building from scratch. Ideal for vehicle guns, home defense, hunting, suppressed shooting, competition, and general purpose use where compact storage and premium performance matter.
Why SA-15 PRO Over Other Folding Rifles: Integrated folding saves weight and length over adapter systems. Premium components throughout - not just basic mil-spec parts. Adjustable gas block for suppressor optimization. Custom Cerakote applied in-house. American manufacturing ensures quality. Complete rifle includes accessories. It's the only folding AR-15 with this combination of integrated folding technology and premium components.
Ready to order? Select your preferred Cerakote finish and add the SA-15 Folding 16" PRO Rifle to your cart. Please note that due to custom finishing and FFL processing, shipping takes 7-10 business days. Your local FFL dealer will contact you when ready for pickup. This is a complete, ready-to-shoot premium rifle - just add an optic and ammunition.
Questions before ordering? Contact Shield Arms customer service for expert guidance on the SA-15 PRO Rifle, optic recommendations, suppressor compatibility, FFL transfer process, or any other questions about this revolutionary folding AR-15 platform.
