Rhode Island's Premier Firearms Customization Shop

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Upper Receiver

23 of 23 Items
  • Geissele MK16 SMR Super Modular Rail, 15″ MLOK Geissele MK16 SMR Super Modular Rail, 15″ MLOK Geissele MK16 SMR Super Modular Rail, 15″ MLOK

    Geissele MK16 SMR Super Modular Rail, 15″ MLOK

    Geissele MK16 SMR Super Modular Rail, 15″ MLOK The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated version of the proven Geissele Barrel Nut design, the...

    $325.00
  • Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK

    Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK

    Geissele MK16 SMR Super Modular Rail, 13.5″ MLOK The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated version of the proven Geissele Barrel Nut design, the...

    $325.00 - $350.00
  • Geissele Super Gas Block, .750″

    Geissele Super Gas Block, .750″

    Geissele Super Gas Block, .750″ The Geissele Super Gas Block is a low profile gas block, designed to fit under most free-floating handguards. Precision investment cast from 17-4 precipitation hardening stainless steel, the gas block provides...

    $80.00
  • Forward Controls EPC, Billet Ejection Port Cover

    Forward Controls EPC, Billet Ejection Port Cover

    Forward Controls EPC, Billet Ejection Port Cover EPC is available in single and twin dimple versions. We had resisted making a Forward Controls version of ejection port cover, mainly because we were preoccupied with other projects, but when we had a...

    $50.00
  • Sons of Liberty Gun Works Stripped Upper Receiver Sons of Liberty Gun Works Stripped Upper Receiver

    Sons of Liberty Gun Works Stripped Upper Receiver

    Sons of Liberty Gun Works Stripped Upper Receiver Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out...

    $142.50
  • Sons of Liberty Gun Works M89 M-LOK Handguard - 11.5" Sons of Liberty Gun Works M89 M-LOK Handguard - 11.5" Sons of Liberty Gun Works M89 M-LOK Handguard - 11.5"

    Sons of Liberty Gun Works M89 M-LOK Handguard - 11.5"

    Sons of Liberty Gun Works M89 M-LOK Handguard The revolutionary, patent-pending Drivelock design in collaboration with Icon Defense, uses three independent wedges that interface with the angular grooves in their proprietary barrel nut. This system clamps...

    $308.75
  • Sons of Liberty Gun Works M76 M-LOK Handguard Sons of Liberty Gun Works M76 M-LOK Handguard Sons of Liberty Gun Works M76 M-LOK Handguard

    Sons of Liberty Gun Works M76 M-LOK Handguard

    Sons of Liberty Gun Works M76 M-LOK Handguard Designed for a precise and tight fit into the upper, Sons of Libertys M76 Handguard uses a proprietary wedge lock system. This system keeps the handguard tight against the barrel nut and upper receiver...

    $299.25 - $327.75
  • Sons of Liberty Gun Works Gas Block V2 Sons of Liberty Gun Works Gas Block V2

    Sons of Liberty Gun Works Gas Block V2

    Sons of Liberty Gun Works Gas Block V2 Sons of Liberty's V2 gas blocks are the highest quality gas block on the market, while remaining simple to use and affordable. Made of industry leading 4140 steel to match the thermal properties of your CrMoV barrel...

    $45.00
  • Sons of Liberty Gun Works Presscheck Barricade Stop Sons of Liberty Gun Works Presscheck Barricade Stop Sons of Liberty Gun Works Presscheck Barricade Stop

    Sons of Liberty Gun Works Presscheck Barricade Stop

    Sons of Liberty Gun Works Presscheck QD/Barricade Stop The Presscheck Barricade Stop is a precision-engineered MLOK accessory that achieves two functions in the same footprint, it serves as a Barricade Stop and a QD Sling Mount. The flush mounting and...

    $66.50 - $71.25
  • Sons of Liberty Gun Works QD Socket M-LOK Sons of Liberty Gun Works QD Socket M-LOK Sons of Liberty Gun Works QD Socket M-LOK

    Sons of Liberty Gun Works QD Socket M-LOK

    Sons of Liberty Gun Works QD Socket M-LOK Never risk your QD socket failing again. Sons of Liberty Gun Works Quick Detach Socket is lightweight and strong providing you the positive lock up that you require while using a sling in the harshest...

    $19.00 - $28.50
  • Sons of Liberty Gun Works Scalper BCG Sons of Liberty Gun Works Scalper BCG Sons of Liberty Gun Works Scalper BCG

    Sons of Liberty Gun Works Scalper BCG

    Sons of Liberty Gun Works Scalper BCG Sons of Liberty Gun Works looks at the bolt carrier group as the heart of the gun. If the gas port is the lungs, then the bolt carrier group is the heart. It’s what drives the entire gun.  As such SOLGW...

    $194.95
  • Midwest Industries Combat Rail Midwest Industries Combat Rail Midwest Industries Combat Rail

    Midwest Industries Combat Rail

    Midwest Industries Combat Rail The Midwest Industries Combat Rail Series Handguard is a 1-piece design that features M-LOK accessory mounting slots on 7 flats along its length, a full length Picatinny rail at the 12 o'clock position and two QD sling...

    $209.99
  • Harris Engineering Rotating Bipod, 6"-9" Harris Engineering Rotating Bipod, 6"-9" Harris Engineering Rotating Bipod, 6"-9"

    Harris Engineering Rotating Bipod, 6"-9"

    Harris Engineering Rotating Bipod, 6"-9" Extends from 6” to 9” Swivels (tilts) to compensate for uneven terrain. Notched legs in 1” increments Legs are spring loaded, for fast deployment. Attaches to the Sling Swivel...

    $159.99
  • Bravo Company MCMR Rail Bravo Company MCMR Rail Bravo Company MCMR Rail Bravo Company MCMR Rail Bravo Company MCMR Rail

    Bravo Company MCMR Rail

    Bravo Company MCMR Rail Bravo Company's BCM MCMR M-LOK Compatible Modular Rail Handguard features the same industry leading barrel nut and lock up design as originally introduced on BCM's evolutionary KMR handguard. The MCMR Series of handguards gives...

    $209.99 - $234.99
  • Bravo Company Mod 3X3 Charging Handle

    Bravo Company Mod 3X3 Charging Handle

    Bravo Company Mod 3X3 Charging Handle The BCMGUNFIGHTER Charging Handle features internal redesigns to direct force off of the weakest part of the system, the roll pin, and into the body of the charging handle during support hand only manipulations. This...

    $89.95
  • Rosco Manufacturing 10.5" M4 5.56 NATO Barrel

    Rosco Manufacturing 10.5" M4 5.56 NATO Barrel

    Rosco Manufacturing 10.5" M4 5.56 NATO Barrel Bloodline 10.5″ M4 5.56 NATO: This Rosco 10.5″ M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Our Rosco 5.56 (NATO)...

    $139.99
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