Mas defense review

16" 5.56 / .223 ar-15 barreled upper - mas defense nero 15" m-lok rail - mid length gas mas defense 15" nero m-lok free float - black m16 bolt carrier group 5.56 & 300 blackout bcg - hybrid nickel boron 16" 300 blackout ar-15 barreled upper - mas defense nero 12.62" m-lok rail

If you’re planning a trip from Port Chester, NY to Marlboro, MA, understanding the distance between these two cities is crucial. Whether you’re driving or taking public transportat...Spring-loaded Posi-lock Push Button Activation Automatically Deploys Sight Tower and Prevents Sight Tower from Collapsing when Deployed. Uses Standard A2 Front Sight Post, Interchangeable with Other Aftermarket Posts with Equivalent Dimensions. Features Tool-free Windage Adjustment and Dual Apertures Ideal for a Variety of Different Scenarios.Salem, Massachusetts is one of the most enchanting and historical cities in the United States. Famous for its witch trials and colonial architecture, Salem offers visitors a unique...16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL MUZZLE JAM NUT - 1/2x28 TPI MAS DEFENSE 15" NERO M-LOK FREE FLOAT - BLACK ... Thanks again MAS.! Was this review helpful to you? 0 of 0 people found the following review helpful: Muzzle device :Located in the picturesque city of Medford, Massachusetts, the Flora Gentile Botanical Garden is a hidden gem that offers a serene and enchanting escape for plant lovers. At Flora ...A 15% cancellation fee will be charged to orders containing this part with shipping addresses in the above outlined cities or states. AR-10 .308 DPMS GEN 1 80% BILLET LOWER RECEIVER - ANODIZED BLACK. Black Hardcoat Anodized Mil-STD-171 Type III. Machined from Aircraft Grade Billet Aluminum. Precision Machined to Mil-Spec Tolerances.6 Apr 2022 ... Deadly Force in Self-Defense: What You Need to Know - Critical Mas(s) Ep. ... Randy Reviews It•170K views ... S&W M&P FPC 9mm Folding Carbine Full ...I going to be building a 20in "SPR" and was wondering on the quality of MAS Defense barrels. I saw their 20in .223 WYLDE and the price seems good. Their website has outstanding reviews but after searching them on google, I saw a post by a guy stating they rig their ratings by not allowing for any review less than 5 stars to be posted.

10.5" 9MM AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK 10.5" 9MM NATO (9x19) 1x10 4150 CrMoV Melonite Nitride Treated Steel MAS Defense "Ridgeline" 12.62" Slimline M-LOK Free Floating Handguard - (ID 1.25") ... Was this review helpful to you? 0 of 0 people found the following review helpful: Love the products: …Includes the parts listed below. You can customize the kit to fit your needs by clicking on the drop down boxes above. - Complete Kit for AR15 - Black. - Gear Head Works Tailhook MOD 1 Pistol Brace. - 8.2" Pistol Buffer Tube - Fluted. - 3oz Carbine Buffer. - Standard Buffer Spring. - Standard End Plate.MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. A 15% cancellation fee will be charged to orders containing this …Mas Defense Supply is a division of Mas Industrial Supply LLC, which specializes in serving the defense industry and supplying critically important products. We are proud of the trust we add to human and social life by supplying high security class products needed by the defense industry with its expert staff and proven quality products and ...MAS Defense Uppers. Thread starter neal007; Start date May 29, 2014; Forums. The Hide Armory. Semi-Automatic Rifles . N. neal007 Private. Full Member. Minuteman. Feb ...

A 15% cancellation fee will be charged to orders containing this part with shipping addresses in the above outlined cities or states. AR-10 .308 DPMS GEN 1 80% BILLET LOWER RECEIVER - ANODIZED BLACK. Black Hardcoat Anodized Mil-STD-171 Type III. Machined from Aircraft Grade Billet Aluminum. Precision Machined to Mil-Spec Tolerances.MPN: MAS0002202. The MAS Defense Complete 80% Jig Kit is all you need to complete the final machining process on your 80% AR-15 and AR-9 receiver. Includes: - Aluminum side plates with steel bushings. - Three top plate templates. - All necessary hardware. - Made In the USA. VECTOR 15" FREE FLOAT QUAD RAIL. View Larger Photo Email A Friend. MSRP: $75.00. Our Price: $64.99. Stock Status: (Out of Stock) Product Code: HG-VQRER. MAS DEFENSE 9.87" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK. Proudly Made In The USA. Our "SQUADRON" quad rail with lightweight cuts make it feel as it it's floating on air. It is machined from 6061 aluminum and anodized with a Type III Class 2 Hardcoat. The rail itself weighs in at 11oz. Add the barrel nut and attaching screws for a total of 13oz.Shoot us a e-mail to [email protected] to discuss your plans. We look forward to serving you! MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity.

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I going to be building a 20in "SPR" and was wondering on the quality of MAS Defense barrels. I saw their 20in .223 WYLDE and the price seems good. Their website has outstanding reviews but after searching them on google, I saw a post by a guy stating they rig their ratings by not allowing for any review less than 5 stars to be posted.16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL - MID LENGTH GAS M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID NICKEL BORON ... Was this review helpful to you? 0 of 0 people found the following review helpful: AR 15 BCG FOR 300BO BUILD: June 11, 202318" .223 WYLDE AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL - BALLISTIC ADVANTAGE BARREL FORGED CHARGING HANDLE AR-15 - DUAL PULL AMBIDEXTROUS GEN 1 SALE PRICE: $295.99 ... Was this review helpful to you? 1 of 1 people found the following review helpful: .223 wylde: May 1, 2020MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! ... Always a pleasure doing business with MAS. Was this review helpful to you? 0 of 0 people found the following review helpful: AR folding stock adapter: September 28, 2022: E I got a AR folding stock ...

22 Jan 2024 ... ... Mas Ep 15. Wilson Combat•854K views · 2:41. Go ... Daniel Defense H9 (Did Daniel Defense fix the issues?) ... Honest Owner Review: Daniel Defense H9 ...7.5" 5.56 / .223 AR-15 1x7 BALLISTIC ADVANTAGE DRP PROFILE PISTOL LENGTH BARREL - MODERN BABL556001M. This 5.56 chambered 7.5 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. You may use this barrel with a lower receiver …New Products - Sales - Specials - Blemished Items. HOME > ***SALES & SPECIALS***. Please click on the manufacturer below to view our current Sales and Specials.Customer Reviews. This business has 0 reviews. Be the First to Review! Customer Complaints. This business has 0 complaints. File a Complaint. Business Details. …MAS Defense LLC, Charlotte, North Carolina. 7,722 likes · 8 were here. AR-15, AR-10 and Glock Parts "Quality Parts at Reasonable Prices." VECTOR 15" FREE FLOAT QUAD RAIL. View Larger Photo Email A Friend. MSRP: $75.00. Our Price: $64.99. Stock Status: (Out of Stock) Product Code: HG-VQRER. JSD Supply's Modular Universal Pistol 1, also known as the MUP-1, is an 80% Universal Insert that is compatible with the Sig Sauer® P320 multi caliber / frame modular weapons system. The remaining steps can be completed with a Dremel, Drill Press and the MUP-1 Jig (sold separately). - Compatible Frames: P250, P320 and EXO-1 Chassis System. March 28, 2016. : Eric S. Couldn't be happier. Range d with the .300 BLK and Ozark Ordnance 147gr FMJ. Zeroed at 50yds and moved to 100yds using a 4 MOA dot optical sight with no magnification. All shooting inside the 4inch circle with my old eyes and I'm impressed. Function with my Olympic lower, full length stock and rifle buffer was flawless. Barrel - 8.5" - 9.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense "RIDGELINE" 9.87" Slimline M-LOK Free Floating Handguard - (ID 1.25") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block. 5. Gas Tube - Pistol Length Stainless Steel Gas Tube.VECTOR 15" FREE FLOAT QUAD RAIL. View Larger Photo Email A Friend. MSRP: $75.00. Our Price: $64.99. Stock Status: (Out of Stock) Product Code: HG-VQRER.

MAS DEFENSE AR-10 .308 DPMS GEN 1 HIGH PROFILE BILLET UPPER RECEIVER - BLACK. Black Hardcoat Anodized Mil-Std-171 Type III; ... Thanks again..MAS Was this review helpful to you? 0 of 0 people found the following review helpful: Upper: June 27, 2023: Richard Choate from MINERAL WELLS, TX United States Ordered a matching …

6.62K subscribers. Subscribed. 23. 5.2K views 8 years ago. Mas Defense exchanged my 7.5 inch Barrel and offered and sent me a 10.5 inch as a replacement. …16" 300 blackout ar-15 barreled upper - mas defense nero 12.62" m-lok rail oops kit ar-15 ar-15 ez pull extended takedown pin set gen2 16" 5.56 / .223 ar-15 barreled upper - mas defense nero 15" m-lok rail - mid length gas16" .223 WYLDE AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL - FDE - BALLISTIC ADVANTAGE BARREL ... BA barrels are super accurate and Mas Defense has the best service. Was this review helpful to you? 0 of 0 people found the following review helpful: Fast shipping of a great product from Ballistic Ad:Black Hardcoat Anodized Mil-Std-171 Type III. M4 Ramps, Forward Assist, Ejection Door. 2. Barrel - 10.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense 12.62" MW8 Octagon M-LOK Rail - (ID 1.8") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block.masdefense.com Reviews: Is this site a scam or legit? - Scam Detector. Scam detector validator vldtr®. Is masdefense.com Legit? The trust score of the website is: 78.8. Fair. …MPN: P80-NKIT-FDE. The Polymer80, Phoenix2, AR15 80% Lower and Jig System is designed as a complete kit. There's NO expensive jig kits and parts to purchase - the system is a COMPLETE, all inclusive package in one price! The Phoenix, Gen2 version features Polymer80's proprietary polymer composite, a solid core design, stiffened …5/8 x 24 TPI. Stainless Steel - Melonite Nitride Treated. Four Top Ports control muzzle rise. Three Side Chambers reduce recoil. Contoured at end to fit crush washer. Crush washer is included. 2.5" Long x .87" Wide. Weight - 3oz 4g. Proudly Made in USA.8.3" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL 5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 4.2" M-LOK RAIL AR-9 9MM BOLT CARRIER GROUP - GLOCK AND COLT BCG - MELONITE NITRIDE ... Was this review helpful to you? 0 of 0 people found the following review helpful: A+++ 9mm …

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2. Barrel - 10.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense 12.62" MW8 Octagon M-LOK Rail - (ID 1.8") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block. 5. Gas Tube - Pistol Length Stainless Steel Gas Tube.MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity.6 Apr 2022 ... Deadly Force in Self-Defense: What You Need to Know - Critical Mas(s) Ep. ... Randy Reviews It•170K views ... S&W M&P FPC 9mm Folding Carbine Full ...MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity.Was this review helpful to you? 0 of 0 people found the following review helpful: Nice qd moint for the money: March 26, 2021 ... Enter your email address for special offers from MAS Defense LLC. 8334 Pineville Matthews Rd Ste 103 #254 Charlotte, NC 28226 [email protected]: 9.87". Material: 6061-T6 Aluminum. Coating: Black Hardcoat Anodized Mil-Std-171 Type III. Weight including Hardware: 13oz. ID: 1.35" - (Requires use of "Slim" Muzzle Devices) Proudly Made In The USA. DESCRIPTION: Milled top pica-tinny rail to reduce weight. Quick Detach Mounts are built into the handguard at the rear positions.16" .223 WYLDE AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL - BALLISTIC ADVANTAGE BARREL 18" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL - FDE - BALLISTIC ADVANTAGE BARREL ... 0 of 0 people found the following review helpful: December 11, 2020: Charles Beinborn from …MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on …Five-hundred milliamperes (mA) is equal to 0.5 amperes (A), which are also commonly called amps. In the metric system, an ampere is the unit for measuring and representing electric...A 15% cancellation fee will be charged to orders containing this part with shipping addresses in the above outlined cities or states. Fire/ Safe will either be engraved (black) or laser etched (white) on the left side only. Very fast shipping, excellent quality. Pla on doing more business in the future.25 Feb 2017 ... 13:06 · Go to channel · MAS Defense 300 BLK Blackout Upper FAXON Firearms Match Barrel First Look. 5 Star Guns & Gear•3.3K views · 7:06 &mi...7 Feb 2024 ... Comments420 · Is the Daniel Defense H9 any good? · Canik TTI Combat Review · Jailed For Assembling A Frame Or Receiver? · What You Need T... ….

One example of defensive listening is to hear a general statement and to personalize it. When a friend says, “I’m not a big fan of people who are fake,” a defensive listener may in...Are you in the market for a new car? If so, you’ve come to the right place. Kelly Jeep Chrysler in Lynnfield MA has an extensive selection of vehicles that are sure to fit your nee...MAS DEFENSE 10.5" 223 WYLDE 5.56 Barreled Upper for an AR15 pistol build.Sa Re Ga Ma Pa is a popular Indian singing reality show that has captivated audiences for years. With its talented contestants, esteemed judges, and soulful performances, it has be...MAS DEFENSE 9MM 416R STAINLESS MELONITE NITRIDE GLOCK 19 BARREL. 9MM - 9x19mm Chamber. 416R Stainless Steel. Melonite Nitride Treated. Hardened to ~54RC. Stress Relieved. 11 Degree target crown. 1:10 Twist Rate. Drop-In Fit GEN 1-4.If you’re planning a trip from Port Chester, NY to Marlboro, MA, understanding the distance between these two cities is crucial. Whether you’re driving or taking public transportat...The Rhino RL556V3™ features Polymer80’s proprietary polymer composite, a solid core design, flared magwell, and heavier mil-spec buffer tube housing. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers. Included: - 80% Polymer AR-15 Lower Blank (Mil-spec) - Grip Nut. - Grip Screw.MAS DEFENSE. >. AR-10 .308 BOLT CARRIER GROUP DPMS GEN 1 BCG - RADIANT GOLD TITANIUM NITRIDE (TIN) Radiant Gold Titanium Nitride (TiN) is the staple of Physical Vapor Deposition (PVD) coatings. Aesthetically, it is one of the most eye catching coatings the firearms industry. Mechanically, its film lubricant properties assists materials … Barrel - 10.5" 9MM NATO (9x19) 1x10 4150 CrMoV Melonite Nitride Treated Steel. 3. Handguard - MAS Defense "NERO" 12.62" Slimline M-LOK Free Floating Handguard - (ID 1.25") 4. Muzzle Device - Flash Can - Slim (Pictured) Bolt Carrier Groups and Charging Handles are sold separately. All barreled uppers are head spaced and test fired to ensure ... Mas defense review, MAS Defense Uppers. Thread starter neal007; Start date May 29, 2014; Forums. The Hide Armory. Semi-Automatic Rifles . N. neal007 Private. Full Member. Minuteman. Feb ..., Bloons Tower Defense 5 is a popular tower defense game that requires strategic thinking and careful planning to succeed. One of the key elements in this game is the selection and p..., The abbreviation “mA” denotes the International System unit for electrical current known as the milliampere. One milliampere is equal to one-thousandth of an ampere. The unit is na..., MPN: MAG417-FDE. The MOE Trigger Guard (Magpul Original Equipment) is an enhanced polymer drop in replacement for the AR15/M4 weapons platform. It features a shallow "V" shape for better use of gloves in tactical shooting or cold weather operations. The MOE Trigger Guard is non-folding, has rounded edges, and fills the annoying "gap" at the ..., When the item is located, the price is usually very high. MAS Defense delivered a quality part at a reasonable price. Shipping was acceptable and the time to receive the item was better than average. I will be shopping at MAS Defense for my builds in the future. By the way, there is no such thing as a 5 star ratting., Salem, Massachusetts is one of the most enchanting and historical cities in the United States. Famous for its witch trials and colonial architecture, Salem offers visitors a unique..., MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! ... Always a pleasure doing business with MAS. Was this review helpful to you? 0 of 0 people found the following review helpful: AR folding stock adapter: September 28, 2022: E I got a AR folding stock ..., 10.5' 300 BLACKOUT BARRELED UPPER - MAS SQUADRON 12' LIGHTWEIGHT QUAD RAIL FDE. A4 Forged Upper Receiver. 4150 CMV Nitride or 416R Stainless Steel Barrel. M4 Ramps. MAS SQUADRON 12' LIGHTWEIGHT QUAD RAIL FDE. .750 Low Profile Steel Melonite Gas Block. Pistol Gas System., MAS DEFENSE 80% LOWER COMPLETION JIG AR-15 / AR-9 MPN: MAS0002202 The MAS Defense Complete 80% Jig Kit is all you need to complete the final machining …, MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity., (SOLD OUT) MAS DEFENSE 4140 NITRIDE FRONT LOCKING BLOCK W/ P80 REAR RAIL & PINS [Add $62.99] *** ADD A JIG: ... Another pleasant transaction using MAS Defense, thanks guys! Was this review helpful to you? 0 of 0 people found the following review helpful: MAS Defense for the win!+, When planning a trip or considering a move to a new location, one of the most important factors to consider is the distance between your current location and your desired destinati..., 25 Feb 2017 ... 13:06 · Go to channel · MAS Defense 300 BLK Blackout Upper FAXON Firearms Match Barrel First Look. 5 Star Guns & Gear•3.3K views · 7:06 &mi..., MAS DEFENSE 9.87" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK. Proudly Made In The USA. Our "SQUADRON" quad rail with lightweight cuts make it feel as it it's floating on air. It is machined from 6061 aluminum and anodized with a Type III Class 2 Hardcoat. The rail itself weighs in at 11oz. Add the barrel nut and attaching screws for a total of 13oz. , Review of MAS Defense – 16” Stainless Steel (chambered 556) Mil-spec 1:8 twist barrel and Bolt carrier group I wanted to provide accurate and honest appraisal of …, MAS Defense AR15 Slick Side Upper Receiver. No forward assist or ejection door capabilities. Forged From High-Grade 7075 T6 Aluminum. M4 Feed Ramps. No T-Marks. Black Hardcoat Anodized Mil-Std-171 Type III., Weight including Hardware: 7.6 oz. ID: 1.80". Proudly Made In The USA. DESCRIPTION: Full top picatinny rail for optional attachments. M-LOK attachment points are located at the 45 and 90 degree flats (7 Sides) Build in anti-rotations tabs. The barrel nut requires a standard AR-15 armorers wrench. The handguard set screws should be torqued ..., 16" 5.56 / .223 ar-15 barreled upper - mas defense nero 15" m-lok rail - mid length gas mas defense 15" nero m-lok free float - black m16 bolt carrier group 5.56 & 300 blackout bcg - hybrid nickel boron 16" 300 blackout ar-15 barreled upper - mas defense nero 12.62" m-lok rail, On February 23, 2024, Sen. Warren and Rep. John Garamendi (D-CA 8th District) sent a letter to the Secretary of Defense, expressing concerns about how the …, MAS Defense "Splatter Logo" T-Shirt. Size - Medium. Quality Shirt. Thank You for your business. MAS Defense LLC ... Was this review helpful to you? 0 of 0 people found the following review helpful: Cool shirt: June 2, 2021: Justin Wood from Charlottesville, VA United States Looks good, fits good, feels good. ..., Barrel - 8.5" - 9.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense "RIDGELINE" 9.87" Slimline M-LOK Free Floating Handguard - (ID 1.25") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block. 5. Gas Tube - Pistol Length Stainless Steel Gas Tube., Add review; Store MAS Defense LLC (980) 265-1005 MASDefense.com 658 Griffith Rd Ste 111, Charlotte, North Carolina 28217 Overview. AR-15, AR-10 and Glock Parts ... Gun Store; E Commerce Website; Description. MAS Defense is committed to providing you "Quality Parts at Reasonable Prices". Our foundation is built on excellent customer service ..., If you’re looking to purchase a Mercedes, Westwood MA is the perfect place to start. With a wide selection of vehicles and competitive pricing, you’ll be sure to find the perfect c..., Register at MAS Defense and Get 10% Discount First Order. May 23, 2024. 1 used. Click to Save. See Details. Find rare Register at MAS Defense and get 10% discount first order savings. Save on 10% OFF at masdefense.com. 30% OFF applied successfully. Time waits not, neither do great Coupon Codes. Free., The Polymer80 PF-Series Full Pistol Frame Parts Kit is compatible with the (Glock) PF940v2, PF940C, PF940SC frame assemblies. Giving the end user multiple options with one kit, Polymer80 has included two trigger shoe styles, curved and flat. Also, there are three options for the slide lock spring, compact, subcompact and full-size slide lock ... , MAS DEFENSE 9MM 416R STAINLESS STEEL GLOCK 19 BARREL - RADIANT GRAY Specs: 9MM - 9x19mm; 416R Stainless Steel; Radiant Gray Mirror Finish - Hint of blue on a gray finish. Vickers Hardness of 3200; Thickness of 2-3 Microns; Max Temp 750 F; SAMMI Spec Match Chamber ; 1:10 Twist 6 Groove ; Critical Manufacturing Tolerance of no more than .0015", MAS Defense AR15 Flattop Stripped Upper Receiver. Forged From High-Grade 7075 T6 Aluminum. M4 Feed Ramps. Black Hardcoat Anodized Mil-Std-171 Type III., MAS DEFENSE TOP TRIGGER POCKET PLATE FOR 80% LOWER COMPLETION JIG AR-15 / AR-9 - MAS0002208. All Products. Polymer80. SIG P320. MAS Defense. Ghost Gunner. 5D Tactical. 80 Percent Arms., 16" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL 5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 4.2" M-LOK RAIL SALE PRICE: $109.99 ... Excellent work MAS Defense. Was this review helpful to you? 0 of 0 people found the following review helpful: July 26, 2020, MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. A 15% cancellation fee will be charged to orders containing this part with shipping addresses in the above outlined cities or states. Polymer80 handles all warranty claims directly., This device is designed to direct gasses and noise forward away from the shooter. The inside bore is drilled out in the form of a funnel eliminating the need for extra pieces. 6061 Aluminum. Solid One Piece Construction. Anodized Finish. Measures 3.25" x 1.20". 5/8 x 24 Thread - 300 Blackout, 308, 7.62x39mm. Weight 3oz. , MAS Defense Uppers. Thread starter neal007; Start date May 29, 2014; Forums. The Hide Armory. Semi-Automatic Rifles . N. neal007 Private. Full Member. Minuteman. Feb ..., 10.5' 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87' M-LOK RAIL. A4 Forged Upper Receiver. 4150 CMV Nitride or 416R Stainless Steel Barrel. M4 Ramps. MAS Defense Nero 9.87' M-LOK Handguard. .750 Low Profile Steel Melonite Gas Block. Pistol Gas System.